common link to entry point

sh/self.sh

@@ -92,7 +92,7 @@ rwx_self_init() {
 _rwx_cmd_rwx_install() { rwx_self_install "${@}"; }
 rwx_self_install() {
 	local target="${1}"
-	local command file root
+	local command file name root
 	# code
 	if [ -n "${target}" ]; then
 		root="${target}${RWX_ROOT_SYSTEM}"
@@ -101,10 +101,14 @@ rwx_self_install() {
 	fi
 	# commands
 	root="${target}/usr/local/bin"
+	name="${RWX_SELF_NAME}.sh"
+	file="${root}/${name}"
+	rwx_remove "${file}"
+	rwx_link "${file}" "${RWX_MAIN_PATH}"
 	for command in $(rwx_self_commands); do
 		file="${root}/${command}"
 		rwx_remove "${file}"
-		rwx_link "${file}" "${RWX_MAIN_PATH}"
+		rwx_link "${file}" "${name}"
 	done
 	# sh
 	file="${target}/etc/profile.d/${RWX_SELF_NAME}.sh"