diff --git a/util/show-utils.BAT b/util/show-utils.BAT
index d0c492d3d..9fa5e2ffa 100644
--- a/util/show-utils.BAT
+++ b/util/show-utils.BAT
@@ -5,11 +5,18 @@
 @rem ::# spell-checker:ignore (utils) cksum coreutils dircolors hashsum mkdir mktemp printenv printf readlink realpath relpath rmdir shuf tsort unexpand
 @rem ::# spell-checker:ignore (jq) deps startswith
 
+set "ME=%~0"
+set "ME_dir=%~dp0."
+set "ME_parent_dir=%~dp0.\.."
+
 @rem refs: <https://forge.rust-lang.org/release/platform-support.html> , <https://docs.rs/platforms/0.2.1/platforms/platform/tier1/index.html>
 
 @rem :: default ("Tier 1" cross-platform) utility list
 set "default_utils=base32 base64 basename cat cksum comm cp cut date dircolors dirname echo env expand expr factor false fmt fold hashsum head join link ln ls mkdir mktemp more mv nl od paste printenv printf ptx pwd readlink realpath relpath rm rmdir seq shred shuf sleep sort split sum tac tail tee test tr true truncate tsort unexpand uniq wc yes"
 
+set "project_dir=%ME_parent_dir%"
+cd "%project_dir%"
+
 @:: `jq` available?
 set "JQ="
 set "ERRORLEVEL="
diff --git a/util/show-utils.sh b/util/show-utils.sh
index a463e8082..b4a613d9b 100755
--- a/util/show-utils.sh
+++ b/util/show-utils.sh
@@ -3,11 +3,20 @@
 # spell-checker:ignore (utils) cksum coreutils dircolors hashsum mkdir mktemp printenv printf readlink realpath relpath rmdir shuf tsort unexpand
 # spell-checker:ignore (jq) deps startswith
 
+ME="${0}"
+ME_dir="$(dirname -- "${ME}")"
+ME_parent_dir="$(dirname -- "${ME_dir}")"
+ME_parent_dir_abs="$(realpath -mP -- "${ME_parent_dir}")"
+
 # refs: <https://forge.rust-lang.org/release/platform-support.html> , <https://docs.rs/platforms/0.2.1/platforms/platform/tier1/index.html>
 
 # default ("Tier 1" cross-platform) utility list
 default_utils="base32 base64 basename cat cksum comm cp cut date dircolors dirname echo env expand expr factor false fmt fold hashsum head join link ln ls mkdir mktemp more mv nl od paste printenv printf ptx pwd readlink realpath relpath rm rmdir seq shred shuf sleep sort split sum tac tail tee test tr true truncate tsort unexpand uniq wc yes"
 
+project_main_dir="${ME_parent_dir_abs}"
+# printf 'project_main_dir="%s"\n' "${project_main_dir}"
+cd "${project_main_dir}"
+
 # `jq` available?
 unset JQ
 jq --version 1>/dev/null 2>&1