diff --git a/42shTests.sh b/42shTests.sh
index e6f3d74..f55b4f2 100644
--- a/42shTests.sh
+++ b/42shTests.sh
@@ -71,16 +71,6 @@ function run_verb_be_empty
   fi
 }
 
-function run_verb_be_filled
-{
-  if [ "$(awk '{print}' "${RESPONSE}")" != "" ]
-  then
-    return 0
-  else
-    return 1
-  fi
-}
-
 function run_verb_have_nb_of_lines
 {
   if [ "$(awk 'END {printf NR}' "${RESPONSE}")" == "${EXPECTED_TO_ARGS[0]}" ]
@@ -91,16 +81,6 @@ function run_verb_have_nb_of_lines
   fi
 }
 
-function run_verb_have_not_regexp
-{
-  if [ "$(awk -v regexp="${EXPECTED_TO_ARGS[0]}" '$0 ~ regexp {print}' "${RESPONSE}")" == "" ]
-  then
-    return 0
-  else
-    return 1
-  fi
-}
-
 function run_verb_have_regexp
 {
   if [ "$(awk -v regexp="${EXPECTED_TO_ARGS[0]}" '$0 ~ regexp {print}' "${RESPONSE}")" != "" ]
@@ -175,6 +155,24 @@ function run_expected_to
   esac
 }
 
+function run_expected_to_not
+{
+  shift 1
+  local EXPECTED_TO_CMD="${1}"
+  shift 1
+  local -a EXPECTED_TO_ARGS='(${@})'
+
+  eval "run_verb_${EXPECTED_TO_CMD}"
+  case "${?}" in
+    1)
+      printf "${C_GREEN}  √ ${EXPECTED_STD_NAME} %s${C_CLEAR}\n" "$(eval echo ${LINE})" ;;
+    0)
+      printf "${C_RED}  ~ ${EXPECTED_STD_NAME} %s${C_CLEAR}\n" "$(eval echo ${LINE})" ;;
+    2)
+      printf "${C_RED} [!] INVALID TEST COMMAND: ${EXPECTED_STD_NAME} %s${C_CLEAR}\n" "$(eval echo ${LINE})" ;;
+  esac
+}
+
 function run_might
 {
   shift 1
@@ -193,6 +191,24 @@ function run_might
   esac
 }
 
+function run_might_not
+{
+  shift 1
+  local EXPECTED_TO_CMD="${1}"
+  shift 1
+  local -a EXPECTED_TO_ARGS=${@}
+
+  eval "run_verb_${EXPECTED_TO_CMD}"
+  case "${?}" in
+    1)
+      printf "${C_GREEN}  √ ${EXPECTED_STD_NAME} %s${C_CLEAR}\n" "$(eval echo ${LINE})" ;;
+    0)
+      printf "${C_YELLOW}  ~ ${EXPECTED_STD_NAME} %s${C_CLEAR}\n" "$(eval echo ${LINE})" ;;
+    2)
+      printf "${C_RED} [!] INVALID TEST COMMAND: ${EXPECTED_STD_NAME} %s${C_CLEAR}\n" "$(eval echo ${LINE})" ;;
+  esac
+}
+
 function run_expector
 {
   local LINE
diff --git a/spec/21sh/redirections/outputs/closing/001-fd-not-specified/stdout b/spec/21sh/redirections/outputs/closing/001-fd-not-specified/stdout
index 4f854b9..7bcbcdc 100644
--- a/spec/21sh/redirections/outputs/closing/001-fd-not-specified/stdout
+++ b/spec/21sh/redirections/outputs/closing/001-fd-not-specified/stdout
@@ -1 +1 @@
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/closing/002-stdout-specified/stdout b/spec/21sh/redirections/outputs/closing/002-stdout-specified/stdout
index 4f854b9..7bcbcdc 100644
--- a/spec/21sh/redirections/outputs/closing/002-stdout-specified/stdout
+++ b/spec/21sh/redirections/outputs/closing/002-stdout-specified/stdout
@@ -1 +1 @@
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/closing/003-stderr-specified/stderr b/spec/21sh/redirections/outputs/closing/003-stderr-specified/stderr
index 8b4c514..62472e2 100644
--- a/spec/21sh/redirections/outputs/closing/003-stderr-specified/stderr
+++ b/spec/21sh/redirections/outputs/closing/003-stderr-specified/stderr
@@ -1 +1 @@
-expected_to have_not_regexp "No such file or directory"
+expected_to_not have_regexp "No such file or directory"
diff --git a/spec/21sh/redirections/outputs/closing/004-twice/stderr b/spec/21sh/redirections/outputs/closing/004-twice/stderr
index 8b4c514..62472e2 100644
--- a/spec/21sh/redirections/outputs/closing/004-twice/stderr
+++ b/spec/21sh/redirections/outputs/closing/004-twice/stderr
@@ -1 +1 @@
-expected_to have_not_regexp "No such file or directory"
+expected_to_not have_regexp "No such file or directory"
diff --git a/spec/21sh/redirections/outputs/closing/004-twice/stdout b/spec/21sh/redirections/outputs/closing/004-twice/stdout
index 4f854b9..7bcbcdc 100644
--- a/spec/21sh/redirections/outputs/closing/004-twice/stdout
+++ b/spec/21sh/redirections/outputs/closing/004-twice/stdout
@@ -1 +1 @@
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/001-creates-file-if-not-exits/stdout b/spec/21sh/redirections/outputs/truncating/001-creates-file-if-not-exits/stdout
index f452a79..2f1e92f 100644
--- a/spec/21sh/redirections/outputs/truncating/001-creates-file-if-not-exits/stdout
+++ b/spec/21sh/redirections/outputs/truncating/001-creates-file-if-not-exits/stdout
@@ -1 +1 @@
-expected_to have_not_regexp TOKEN1
\ No newline at end of file
+expected_to_not have_regexp TOKEN1
diff --git a/spec/21sh/redirections/outputs/truncating/002-truncates-file-if-exists/stdout b/spec/21sh/redirections/outputs/truncating/002-truncates-file-if-exists/stdout
index 82adce4..dd5ace4 100644
--- a/spec/21sh/redirections/outputs/truncating/002-truncates-file-if-exists/stdout
+++ b/spec/21sh/redirections/outputs/truncating/002-truncates-file-if-exists/stdout
@@ -1 +1 @@
-expected_to have_not_regexp LAST_TOKEN
\ No newline at end of file
+expected_to_not have_regexp LAST_TOKEN
diff --git a/spec/21sh/redirections/outputs/truncating/003-whitespace-before-filename/stdout b/spec/21sh/redirections/outputs/truncating/003-whitespace-before-filename/stdout
index f452a79..2f1e92f 100644
--- a/spec/21sh/redirections/outputs/truncating/003-whitespace-before-filename/stdout
+++ b/spec/21sh/redirections/outputs/truncating/003-whitespace-before-filename/stdout
@@ -1 +1 @@
-expected_to have_not_regexp TOKEN1
\ No newline at end of file
+expected_to_not have_regexp TOKEN1
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stderr b/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stderr
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stderr
+++ b/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stderr
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stdout b/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stdout
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stdout
+++ b/spec/21sh/redirections/outputs/truncating/multiple/001-separately/stdout
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stderr b/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stderr
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stderr
+++ b/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stderr
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stdout b/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stdout
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stdout
+++ b/spec/21sh/redirections/outputs/truncating/multiple/002-together-1/stdout
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stderr b/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stderr
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stderr
+++ b/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stderr
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stdout b/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stdout
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stdout
+++ b/spec/21sh/redirections/outputs/truncating/multiple/003-together-2/stdout
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stderr b/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stderr
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stderr
+++ b/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stderr
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stdout b/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stdout
index b047f9d..7d2ea79 100644
--- a/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stdout
+++ b/spec/21sh/redirections/outputs/truncating/multiple/004-together-3/stdout
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
-expected_to have_not_regexp "42shTests.sh"
+expected_to_not have_regexp "No such file or directory"
+expected_to_not have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/stderr/001-works/stdout b/spec/21sh/redirections/outputs/truncating/stderr/001-works/stdout
index d1b5481..0aa8a3f 100644
--- a/spec/21sh/redirections/outputs/truncating/stderr/001-works/stdout
+++ b/spec/21sh/redirections/outputs/truncating/stderr/001-works/stdout
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "No such file or directory"
+expected_to_not have_regexp "No such file or directory"
 expected_to have_regexp "42shTests.sh"
diff --git a/spec/21sh/redirections/outputs/truncating/stdout/001-with-explicit-fd/stdout b/spec/21sh/redirections/outputs/truncating/stdout/001-with-explicit-fd/stdout
index f452a79..2f1e92f 100644
--- a/spec/21sh/redirections/outputs/truncating/stdout/001-with-explicit-fd/stdout
+++ b/spec/21sh/redirections/outputs/truncating/stdout/001-with-explicit-fd/stdout
@@ -1 +1 @@
-expected_to have_not_regexp TOKEN1
\ No newline at end of file
+expected_to_not have_regexp TOKEN1
diff --git a/spec/bonuses/separators/&&/002-do-not-run-second/stderr b/spec/bonuses/separators/&&/002-do-not-run-second/stderr
index e2daba8..decbd4d 100644
--- a/spec/bonuses/separators/&&/002-do-not-run-second/stderr
+++ b/spec/bonuses/separators/&&/002-do-not-run-second/stderr
@@ -1 +1 @@
-might be_filled
+might_not be_empty
diff --git a/spec/bonuses/separators/&&/002-do-not-run-second/stdout b/spec/bonuses/separators/&&/002-do-not-run-second/stdout
index 7b50666..c01098d 100644
--- a/spec/bonuses/separators/&&/002-do-not-run-second/stdout
+++ b/spec/bonuses/separators/&&/002-do-not-run-second/stdout
@@ -1,2 +1,2 @@
 might be_empty
-might have_not_regexp LAST_TOKEN
+might_not have_regexp LAST_TOKEN
diff --git a/spec/bonuses/separators/&&/003-parse-error-at-beginning/stderr b/spec/bonuses/separators/&&/003-parse-error-at-beginning/stderr
index e2daba8..decbd4d 100644
--- a/spec/bonuses/separators/&&/003-parse-error-at-beginning/stderr
+++ b/spec/bonuses/separators/&&/003-parse-error-at-beginning/stderr
@@ -1 +1 @@
-might be_filled
+might_not be_empty
diff --git a/spec/bonuses/separators/&&/004-parse-error-at-end/stderr b/spec/bonuses/separators/&&/004-parse-error-at-end/stderr
index e2daba8..decbd4d 100644
--- a/spec/bonuses/separators/&&/004-parse-error-at-end/stderr
+++ b/spec/bonuses/separators/&&/004-parse-error-at-end/stderr
@@ -1 +1 @@
-might be_filled
+might_not be_empty
diff --git a/spec/bonuses/separators/&&/005-parse-error-too-much-symbol/stderr b/spec/bonuses/separators/&&/005-parse-error-too-much-symbol/stderr
index 7899225..92ac283 100644
--- a/spec/bonuses/separators/&&/005-parse-error-too-much-symbol/stderr
+++ b/spec/bonuses/separators/&&/005-parse-error-too-much-symbol/stderr
@@ -1,2 +1,2 @@
-might be_filled
+might_not be_empty
 might have_nb_of_lines 2
diff --git a/spec/bonuses/separators/||/001-run-first-only/stdout b/spec/bonuses/separators/||/001-run-first-only/stdout
index 64d9215..5e4faff 100644
--- a/spec/bonuses/separators/||/001-run-first-only/stdout
+++ b/spec/bonuses/separators/||/001-run-first-only/stdout
@@ -1,2 +1,2 @@
 might have_regexp FIRST_TOKEN
-might have_not_regexp LAST_TOKEN
+might_not have_regexp LAST_TOKEN
diff --git a/spec/bonuses/separators/||/002-run-second-only/stderr b/spec/bonuses/separators/||/002-run-second-only/stderr
index e2daba8..decbd4d 100644
--- a/spec/bonuses/separators/||/002-run-second-only/stderr
+++ b/spec/bonuses/separators/||/002-run-second-only/stderr
@@ -1 +1 @@
-might be_filled
+might_not be_empty
diff --git a/spec/bonuses/separators/||/003-parse-error-at-beginning/stderr b/spec/bonuses/separators/||/003-parse-error-at-beginning/stderr
index e2daba8..decbd4d 100644
--- a/spec/bonuses/separators/||/003-parse-error-at-beginning/stderr
+++ b/spec/bonuses/separators/||/003-parse-error-at-beginning/stderr
@@ -1 +1 @@
-might be_filled
+might_not be_empty
diff --git a/spec/bonuses/separators/||/004-parse-error-at-end/stderr b/spec/bonuses/separators/||/004-parse-error-at-end/stderr
index e2daba8..decbd4d 100644
--- a/spec/bonuses/separators/||/004-parse-error-at-end/stderr
+++ b/spec/bonuses/separators/||/004-parse-error-at-end/stderr
@@ -1 +1 @@
-might be_filled
+might_not be_empty
diff --git a/spec/bonuses/separators/||/005-parse-error-too-much-symbol/stderr b/spec/bonuses/separators/||/005-parse-error-too-much-symbol/stderr
index 7899225..92ac283 100644
--- a/spec/bonuses/separators/||/005-parse-error-too-much-symbol/stderr
+++ b/spec/bonuses/separators/||/005-parse-error-too-much-symbol/stderr
@@ -1,2 +1,2 @@
-might be_filled
+might_not be_empty
 might have_nb_of_lines 2
diff --git a/spec/minishell/001-builtins/cd/001-no-arg/before_exec b/spec/minishell/001-builtins/cd/001-no-arg/before_exec
index 51b4abc..d446a73 100644
--- a/spec/minishell/001-builtins/cd/001-no-arg/before_exec
+++ b/spec/minishell/001-builtins/cd/001-no-arg/before_exec
@@ -1,2 +1,2 @@
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/001-no-arg/stdout b/spec/minishell/001-builtins/cd/001-no-arg/stdout
index 286885d..8f66e8c 100644
--- a/spec/minishell/001-builtins/cd/001-no-arg/stdout
+++ b/spec/minishell/001-builtins/cd/001-no-arg/stdout
@@ -1,2 +1,2 @@
-expected_to have_not_regexp "${GLOBAL_TMP_DIRECTORY}$"
-expected_to have_regexp "PWD:${HOME}:PWD$"
\ No newline at end of file
+expected_to_not have_regexp "${GLOBAL_TMP_DIRECTORY}$"
+expected_to have_regexp "PWD:${HOME}:PWD$"
diff --git a/spec/minishell/001-builtins/cd/002-current-directory/before_exec b/spec/minishell/001-builtins/cd/002-current-directory/before_exec
index 51b4abc..d446a73 100644
--- a/spec/minishell/001-builtins/cd/002-current-directory/before_exec
+++ b/spec/minishell/001-builtins/cd/002-current-directory/before_exec
@@ -1,2 +1,2 @@
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/003-current-directory-2/before_exec b/spec/minishell/001-builtins/cd/003-current-directory-2/before_exec
index 51b4abc..d446a73 100644
--- a/spec/minishell/001-builtins/cd/003-current-directory-2/before_exec
+++ b/spec/minishell/001-builtins/cd/003-current-directory-2/before_exec
@@ -1,2 +1,2 @@
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/004-parent-directory/before_exec b/spec/minishell/001-builtins/cd/004-parent-directory/before_exec
index 51b4abc..d446a73 100644
--- a/spec/minishell/001-builtins/cd/004-parent-directory/before_exec
+++ b/spec/minishell/001-builtins/cd/004-parent-directory/before_exec
@@ -1,2 +1,2 @@
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/005-absolute-path/before_exec b/spec/minishell/001-builtins/cd/005-absolute-path/before_exec
index 51b4abc..d446a73 100644
--- a/spec/minishell/001-builtins/cd/005-absolute-path/before_exec
+++ b/spec/minishell/001-builtins/cd/005-absolute-path/before_exec
@@ -1,2 +1,2 @@
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/007-symbolic-link/before_exec b/spec/minishell/001-builtins/cd/007-symbolic-link/before_exec
index 1be40dc..4429f5b 100644
--- a/spec/minishell/001-builtins/cd/007-symbolic-link/before_exec
+++ b/spec/minishell/001-builtins/cd/007-symbolic-link/before_exec
@@ -3,4 +3,4 @@ rm -f symbolic_link
 ln -s .. symbolic_link
 
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/008-symbolic-link-2/before_exec b/spec/minishell/001-builtins/cd/008-symbolic-link-2/before_exec
index 79250d5..f52c151 100644
--- a/spec/minishell/001-builtins/cd/008-symbolic-link-2/before_exec
+++ b/spec/minishell/001-builtins/cd/008-symbolic-link-2/before_exec
@@ -3,4 +3,4 @@ ln -s .. symbolic_link1
 ln -s symbolic_link1 symbolic_link2
 
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/009-following-links/before_exec b/spec/minishell/001-builtins/cd/009-following-links/before_exec
index 337bf07..3a872b1 100644
--- a/spec/minishell/001-builtins/cd/009-following-links/before_exec
+++ b/spec/minishell/001-builtins/cd/009-following-links/before_exec
@@ -4,4 +4,4 @@ ln -s subdirectory subdirectory_link
 ln -s subsubdirectory subdirectory/subsubdirectory_link
 
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/errors/001-not-a-directory/before_exec b/spec/minishell/001-builtins/cd/errors/001-not-a-directory/before_exec
index d491f5a..95f22b8 100644
--- a/spec/minishell/001-builtins/cd/errors/001-not-a-directory/before_exec
+++ b/spec/minishell/001-builtins/cd/errors/001-not-a-directory/before_exec
@@ -1,4 +1,4 @@
 touch not_a_directory
 
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/errors/001-not-a-directory/stderr b/spec/minishell/001-builtins/cd/errors/001-not-a-directory/stderr
index 57d085c..2656541 100644
--- a/spec/minishell/001-builtins/cd/errors/001-not-a-directory/stderr
+++ b/spec/minishell/001-builtins/cd/errors/001-not-a-directory/stderr
@@ -1,2 +1,2 @@
-expected_to be_filled
-might have_regexp "[Nn]ot a directory"
\ No newline at end of file
+expected_to_not be_empty
+might have_regexp "[Nn]ot a directory"
diff --git a/spec/minishell/001-builtins/cd/errors/002-permission-denied/before_exec b/spec/minishell/001-builtins/cd/errors/002-permission-denied/before_exec
index 901c52c..6f5990f 100644
--- a/spec/minishell/001-builtins/cd/errors/002-permission-denied/before_exec
+++ b/spec/minishell/001-builtins/cd/errors/002-permission-denied/before_exec
@@ -2,4 +2,4 @@ if [ -d permission_denied ]; then chmod 777 permission_denied; rm -r permission_
 mkdir -m 0 permission_denied
 
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/errors/002-permission-denied/stderr b/spec/minishell/001-builtins/cd/errors/002-permission-denied/stderr
index 8539a6e..b99f8f2 100644
--- a/spec/minishell/001-builtins/cd/errors/002-permission-denied/stderr
+++ b/spec/minishell/001-builtins/cd/errors/002-permission-denied/stderr
@@ -1,2 +1,2 @@
-expected_to be_filled
-might have_regexp "[Pp]ermission denied"
\ No newline at end of file
+expected_to_not be_empty
+might have_regexp "[Pp]ermission denied"
diff --git a/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/before_exec b/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/before_exec
index 62e8528..53f6c15 100644
--- a/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/before_exec
+++ b/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/before_exec
@@ -4,4 +4,4 @@ ln -s symbolic_link2 symbolic_link3
 ln -s symbolic_link3 symbolic_link1
 
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/stderr b/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/stderr
index cabcdfc..5d25fda 100644
--- a/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/stderr
+++ b/spec/minishell/001-builtins/cd/errors/003-too-many-symbolic-links-encountered/stderr
@@ -1,2 +1,2 @@
-expected_to be_filled
-might have_regexp "[Tt]oo many symbolic links encountered"
\ No newline at end of file
+expected_to_not be_empty
+might have_regexp "[Tt]oo many symbolic links encountered"
diff --git a/spec/minishell/001-builtins/cd/errors/004-no-such-file-or-directory/stderr b/spec/minishell/001-builtins/cd/errors/004-no-such-file-or-directory/stderr
index 0a8dbf1..3f43d4c 100644
--- a/spec/minishell/001-builtins/cd/errors/004-no-such-file-or-directory/stderr
+++ b/spec/minishell/001-builtins/cd/errors/004-no-such-file-or-directory/stderr
@@ -1,2 +1,2 @@
-expected_to be_filled
-might have_regexp "[Nn]o such file or directory"
\ No newline at end of file
+expected_to_not be_empty
+might have_regexp "[Nn]o such file or directory"
diff --git a/spec/minishell/001-builtins/cd/options/001-not-following-links/before_exec b/spec/minishell/001-builtins/cd/options/001-not-following-links/before_exec
index 337bf07..3a872b1 100644
--- a/spec/minishell/001-builtins/cd/options/001-not-following-links/before_exec
+++ b/spec/minishell/001-builtins/cd/options/001-not-following-links/before_exec
@@ -4,4 +4,4 @@ ln -s subdirectory subdirectory_link
 ln -s subsubdirectory subdirectory/subsubdirectory_link
 
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/cd/options/001-not-following-links/stdout b/spec/minishell/001-builtins/cd/options/001-not-following-links/stdout
index 1592406..d5dc796 100644
--- a/spec/minishell/001-builtins/cd/options/001-not-following-links/stdout
+++ b/spec/minishell/001-builtins/cd/options/001-not-following-links/stdout
@@ -1,5 +1,5 @@
-might have_not_regexp "${GLOBAL_TMP_DIRECTORY}/subdirectory_link$"
+might_not have_regexp "${GLOBAL_TMP_DIRECTORY}/subdirectory_link$"
 might have_regexp "PWD:${GLOBAL_TMP_DIRECTORY}/subdirectory:PWD$"
 
-might have_not_regexp "${GLOBAL_TMP_DIRECTORY}/subdirectory_link/subsubdirectory_link$"
+might_not have_regexp "${GLOBAL_TMP_DIRECTORY}/subdirectory_link/subsubdirectory_link$"
 might have_regexp "PWD:${GLOBAL_TMP_DIRECTORY}/subdirectory/subsubdirectory:PWD$"
diff --git a/spec/minishell/001-builtins/cd/options/002-oldpwd/before_exec b/spec/minishell/001-builtins/cd/options/002-oldpwd/before_exec
index 51b4abc..d446a73 100644
--- a/spec/minishell/001-builtins/cd/options/002-oldpwd/before_exec
+++ b/spec/minishell/001-builtins/cd/options/002-oldpwd/before_exec
@@ -1,2 +1,2 @@
 rm -f display_pwd
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-pwd/main.c -o display_pwd
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-pwd/main.c -o display_pwd
diff --git a/spec/minishell/001-builtins/env/003-ignore-environment-1/before_exec b/spec/minishell/001-builtins/env/003-ignore-environment-1/before_exec
index c26f634..b411188 100644
--- a/spec/minishell/001-builtins/env/003-ignore-environment-1/before_exec
+++ b/spec/minishell/001-builtins/env/003-ignore-environment-1/before_exec
@@ -1,2 +1,2 @@
 rm -f display_env
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-env/main.c -o display_env
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-env/main.c -o display_env
diff --git a/spec/minishell/001-builtins/env/004-ignore-environment-2/before_exec b/spec/minishell/001-builtins/env/004-ignore-environment-2/before_exec
index c26f634..b411188 100644
--- a/spec/minishell/001-builtins/env/004-ignore-environment-2/before_exec
+++ b/spec/minishell/001-builtins/env/004-ignore-environment-2/before_exec
@@ -1,2 +1,2 @@
 rm -f display_env
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-env/main.c -o display_env
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-env/main.c -o display_env
diff --git a/spec/minishell/001-builtins/env/005-set-variables/before_exec b/spec/minishell/001-builtins/env/005-set-variables/before_exec
index c26f634..b411188 100644
--- a/spec/minishell/001-builtins/env/005-set-variables/before_exec
+++ b/spec/minishell/001-builtins/env/005-set-variables/before_exec
@@ -1,2 +1,2 @@
 rm -f display_env
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-env/main.c -o display_env
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-env/main.c -o display_env
diff --git a/spec/minishell/001-builtins/env/006-unset-variables-1/before_exec b/spec/minishell/001-builtins/env/006-unset-variables-1/before_exec
index 346dccb..b989327 100644
--- a/spec/minishell/001-builtins/env/006-unset-variables-1/before_exec
+++ b/spec/minishell/001-builtins/env/006-unset-variables-1/before_exec
@@ -1,3 +1,3 @@
 rm -f display_env
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-env/main.c -o display_env
-export TESTVARIABLE=TOKEN
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-env/main.c -o display_env
+export TESTVARIABLE=TOKEN
diff --git a/spec/minishell/001-builtins/env/006-unset-variables-1/stdout b/spec/minishell/001-builtins/env/006-unset-variables-1/stdout
index 3d432d3..bae7ef7 100644
--- a/spec/minishell/001-builtins/env/006-unset-variables-1/stdout
+++ b/spec/minishell/001-builtins/env/006-unset-variables-1/stdout
@@ -1,3 +1,3 @@
-might have_not_regexp "HOME="
-might have_not_regexp "PATH="
-might have_not_regexp "TESTVARIABLE="
\ No newline at end of file
+might_not have_regexp "HOME="
+might_not have_regexp "PATH="
+might_not have_regexp "TESTVARIABLE="
diff --git a/spec/minishell/001-builtins/env/007-unset-variables-2/before_exec b/spec/minishell/001-builtins/env/007-unset-variables-2/before_exec
index 346dccb..b989327 100644
--- a/spec/minishell/001-builtins/env/007-unset-variables-2/before_exec
+++ b/spec/minishell/001-builtins/env/007-unset-variables-2/before_exec
@@ -1,3 +1,3 @@
 rm -f display_env
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-env/main.c -o display_env
-export TESTVARIABLE=TOKEN
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-env/main.c -o display_env
+export TESTVARIABLE=TOKEN
diff --git a/spec/minishell/001-builtins/env/007-unset-variables-2/stdout b/spec/minishell/001-builtins/env/007-unset-variables-2/stdout
index 3d432d3..bae7ef7 100644
--- a/spec/minishell/001-builtins/env/007-unset-variables-2/stdout
+++ b/spec/minishell/001-builtins/env/007-unset-variables-2/stdout
@@ -1,3 +1,3 @@
-might have_not_regexp "HOME="
-might have_not_regexp "PATH="
-might have_not_regexp "TESTVARIABLE="
\ No newline at end of file
+might_not have_regexp "HOME="
+might_not have_regexp "PATH="
+might_not have_regexp "TESTVARIABLE="
diff --git a/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stderr b/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stderr
index a3ba015..015e6d0 100644
--- a/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stderr
+++ b/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stderr
@@ -1 +1 @@
-expected_to be_filled
\ No newline at end of file
+expected_to_not be_empty
diff --git a/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stdout b/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stdout
index 1617e2b..9f00663 100644
--- a/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stdout
+++ b/spec/minishell/001-builtins/env/calling-builtins/001-cd-HOME-without-environment/stdout
@@ -1,2 +1,2 @@
 expected_to have_regexp "${GLOBAL_TMP_DIRECTORY}$"
-expected_to have_not_regexp "${HOME}$"
\ No newline at end of file
+expected_to_not have_regexp "${HOME}$"
diff --git a/spec/minishell/001-builtins/env/multiple-options/001-ignore-environment-and-set-variable/before_exec b/spec/minishell/001-builtins/env/multiple-options/001-ignore-environment-and-set-variable/before_exec
index c26f634..b411188 100644
--- a/spec/minishell/001-builtins/env/multiple-options/001-ignore-environment-and-set-variable/before_exec
+++ b/spec/minishell/001-builtins/env/multiple-options/001-ignore-environment-and-set-variable/before_exec
@@ -1,2 +1,2 @@
 rm -f display_env
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-env/main.c -o display_env
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-env/main.c -o display_env
diff --git a/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/before_exec b/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/before_exec
index c26f634..b411188 100644
--- a/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/before_exec
+++ b/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/before_exec
@@ -1,2 +1,2 @@
 rm -f display_env
-gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/spec/support/display-env/main.c -o display_env
\ No newline at end of file
+gcc -Wall -Werror -Wextra ${GLOBAL_INSTALLDIR}/support/display-env/main.c -o display_env
diff --git a/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/stdout b/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/stdout
index 98f59c9..7402abc 100644
--- a/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/stdout
+++ b/spec/minishell/001-builtins/env/multiple-options/002-unset-and-set-variable/stdout
@@ -1,5 +1,5 @@
 might have_regexp "START DISPLAYING ENVIRONMENT VARIABLES$"
 might have_regexp "TESTVARIABLE=TOKEN$"
-might have_not_regexp "HOME="
-might have_not_regexp "PATH="
-might have_regexp "END DISPLAYING ENVIRONMENT VARIABLES$"
\ No newline at end of file
+might_not have_regexp "HOME="
+might_not have_regexp "PATH="
+might have_regexp "END DISPLAYING ENVIRONMENT VARIABLES$"
diff --git a/spec/minishell/001-builtins/exit/001-simple/stdout b/spec/minishell/001-builtins/exit/001-simple/stdout
index 4d605cf..3ef12c5 100644
--- a/spec/minishell/001-builtins/exit/001-simple/stdout
+++ b/spec/minishell/001-builtins/exit/001-simple/stdout
@@ -1 +1 @@
-expected_to have_not_regexp INVISIBLE_TOKEN
\ No newline at end of file
+expected_to_not have_regexp INVISIBLE_TOKEN
diff --git a/spec/minishell/001-builtins/exit/003-too-many-args/stderr b/spec/minishell/001-builtins/exit/003-too-many-args/stderr
index da37e21..decbd4d 100644
--- a/spec/minishell/001-builtins/exit/003-too-many-args/stderr
+++ b/spec/minishell/001-builtins/exit/003-too-many-args/stderr
@@ -1 +1 @@
-might be_filled
\ No newline at end of file
+might_not be_empty
diff --git a/spec/minishell/001-builtins/setenv/002-setenv-noequal/stderr b/spec/minishell/001-builtins/setenv/002-setenv-noequal/stderr
index e2daba8..decbd4d 100644
--- a/spec/minishell/001-builtins/setenv/002-setenv-noequal/stderr
+++ b/spec/minishell/001-builtins/setenv/002-setenv-noequal/stderr
@@ -1 +1 @@
-might be_filled
+might_not be_empty
diff --git a/spec/minishell/001-builtins/setenv/003-setenv-equal/stderr b/spec/minishell/001-builtins/setenv/003-setenv-equal/stderr
index da37e21..decbd4d 100644
--- a/spec/minishell/001-builtins/setenv/003-setenv-equal/stderr
+++ b/spec/minishell/001-builtins/setenv/003-setenv-equal/stderr
@@ -1 +1 @@
-might be_filled
\ No newline at end of file
+might_not be_empty
diff --git a/spec/minishell/001-builtins/unsetenv/001-unsetenv-first-elem/stdout b/spec/minishell/001-builtins/unsetenv/001-unsetenv-first-elem/stdout
index 93e7ad8..2936e21 100644
--- a/spec/minishell/001-builtins/unsetenv/001-unsetenv-first-elem/stdout
+++ b/spec/minishell/001-builtins/unsetenv/001-unsetenv-first-elem/stdout
@@ -1 +1 @@
-expected_to have_not_regexp $SSH_AUTH_SOCK
+expected_to_not have_regexp $SSH_AUTH_SOCK
diff --git a/spec/minishell/001-builtins/unsetenv/002-unsetenv-last-elem/stdout b/spec/minishell/001-builtins/unsetenv/002-unsetenv-last-elem/stdout
index 236b24e..58071e2 100644
--- a/spec/minishell/001-builtins/unsetenv/002-unsetenv-last-elem/stdout
+++ b/spec/minishell/001-builtins/unsetenv/002-unsetenv-last-elem/stdout
@@ -1 +1 @@
-expected_to have_not_regexp $LSCOLORS
\ No newline at end of file
+expected_to_not have_regexp $LSCOLORS
diff --git a/spec/minishell/001-builtins/unsetenv/003-unsetenv-mult-argv/stdout b/spec/minishell/001-builtins/unsetenv/003-unsetenv-mult-argv/stdout
index fc4d434..8106c73 100644
--- a/spec/minishell/001-builtins/unsetenv/003-unsetenv-mult-argv/stdout
+++ b/spec/minishell/001-builtins/unsetenv/003-unsetenv-mult-argv/stdout
@@ -1,18 +1,18 @@
-expected_to have_not_regexp $SSH_AUTH_SOCK
-expected_to have_not_regexp $Apple_PubSub_Socket_Render
-expected_to have_not_regexp $COLORFGBG
-expected_to have_not_regexp $ITERM_PROFILE
-expected_to have_not_regexp $XPC_FLAGS
-expected_to have_not_regexp $LANG
-expected_to have_not_regexp $SHELL
-expected_to have_not_regexp $TERM_PROGRAM
-expected_to have_not_regexp $TERM
-expected_to have_not_regexp $TMPDIR
-expected_to have_not_regexp $__CF_USER_TEXT_ENCODING
-expected_to have_not_regexp $ITERM_SESSION_ID
-expected_to have_not_regexp $PAGER
-expected_to have_not_regexp $ZSH
-expected_to have_not_regexp $LESS
-expected_to have_not_regexp $LC_CTYPE
-expected_to have_not_regexp $LSCOLORS
-expected_to have_not_regexp $PATH
+expected_to_not have_regexp $SSH_AUTH_SOCK
+expected_to_not have_regexp $Apple_PubSub_Socket_Render
+expected_to_not have_regexp $COLORFGBG
+expected_to_not have_regexp $ITERM_PROFILE
+expected_to_not have_regexp $XPC_FLAGS
+expected_to_not have_regexp $LANG
+expected_to_not have_regexp $SHELL
+expected_to_not have_regexp $TERM_PROGRAM
+expected_to_not have_regexp $TERM
+expected_to_not have_regexp $TMPDIR
+expected_to_not have_regexp $__CF_USER_TEXT_ENCODING
+expected_to_not have_regexp $ITERM_SESSION_ID
+expected_to_not have_regexp $PAGER
+expected_to_not have_regexp $ZSH
+expected_to_not have_regexp $LESS
+expected_to_not have_regexp $LC_CTYPE
+expected_to_not have_regexp $LSCOLORS
+expected_to_not have_regexp $PATH
diff --git a/spec/minishell/001-builtins/unsetenv/004-unsetenv-mult-argv-inline/stdout b/spec/minishell/001-builtins/unsetenv/004-unsetenv-mult-argv-inline/stdout
index fc4d434..8106c73 100644
--- a/spec/minishell/001-builtins/unsetenv/004-unsetenv-mult-argv-inline/stdout
+++ b/spec/minishell/001-builtins/unsetenv/004-unsetenv-mult-argv-inline/stdout
@@ -1,18 +1,18 @@
-expected_to have_not_regexp $SSH_AUTH_SOCK
-expected_to have_not_regexp $Apple_PubSub_Socket_Render
-expected_to have_not_regexp $COLORFGBG
-expected_to have_not_regexp $ITERM_PROFILE
-expected_to have_not_regexp $XPC_FLAGS
-expected_to have_not_regexp $LANG
-expected_to have_not_regexp $SHELL
-expected_to have_not_regexp $TERM_PROGRAM
-expected_to have_not_regexp $TERM
-expected_to have_not_regexp $TMPDIR
-expected_to have_not_regexp $__CF_USER_TEXT_ENCODING
-expected_to have_not_regexp $ITERM_SESSION_ID
-expected_to have_not_regexp $PAGER
-expected_to have_not_regexp $ZSH
-expected_to have_not_regexp $LESS
-expected_to have_not_regexp $LC_CTYPE
-expected_to have_not_regexp $LSCOLORS
-expected_to have_not_regexp $PATH
+expected_to_not have_regexp $SSH_AUTH_SOCK
+expected_to_not have_regexp $Apple_PubSub_Socket_Render
+expected_to_not have_regexp $COLORFGBG
+expected_to_not have_regexp $ITERM_PROFILE
+expected_to_not have_regexp $XPC_FLAGS
+expected_to_not have_regexp $LANG
+expected_to_not have_regexp $SHELL
+expected_to_not have_regexp $TERM_PROGRAM
+expected_to_not have_regexp $TERM
+expected_to_not have_regexp $TMPDIR
+expected_to_not have_regexp $__CF_USER_TEXT_ENCODING
+expected_to_not have_regexp $ITERM_SESSION_ID
+expected_to_not have_regexp $PAGER
+expected_to_not have_regexp $ZSH
+expected_to_not have_regexp $LESS
+expected_to_not have_regexp $LC_CTYPE
+expected_to_not have_regexp $LSCOLORS
+expected_to_not have_regexp $PATH
diff --git a/spec/support/display-env/main.c b/support/display-env/main.c
similarity index 100%
rename from spec/support/display-env/main.c
rename to support/display-env/main.c
diff --git a/spec/support/display-pwd/main.c b/support/display-pwd/main.c
similarity index 100%
rename from spec/support/display-pwd/main.c
rename to support/display-pwd/main.c