diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index f55eae8..7261dfc 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -178,7 +178,7 @@ _spcd_frame_shut() {
 # │ internal │ os │
 # ╰──────────┴────╯
 
-spcd_os_cat() {
+_spcd_os_cat() {
     spcd_cat__file="${1}"
     if [ -n "${spcd_cat__file}" ]; then
         _spcd_frame_open "${spcd_cat__file}"
@@ -313,10 +313,10 @@ spcd_os_sed() {
     spcd_os_sed__file="${1}"
     shift
     if [ -f "${spcd_os_sed__file}" ]; then
-        spcd_os_cat "${spcd_os_sed__file}"
+        _spcd_os_cat "${spcd_os_sed__file}"
         for spcd_os_sed__regex in "${@}"; do
             sed --in-place "s${spcd_os_sed__regex}g" "${spcd_os_sed__file}" &&
-                spcd_os_cat "${spcd_os_sed__file}"
+                _spcd_os_cat "${spcd_os_sed__file}"
         done
     fi
 }
@@ -326,10 +326,10 @@ spcd_os_write() {
     spcd_os_write__text="${2}"
     if [ -n "${spcd_os_write__file}" ]; then
         [ -f "${spcd_os_write__file}" ] &&
-            spcd_os_cat "${spcd_os_write__file}"
+            _spcd_os_cat "${spcd_os_write__file}"
         echo "→ ${spcd_os_write__file}"
         printf "%s" "${spcd_os_write__text}" >"${spcd_os_write__file}"
-        spcd_os_cat "${spcd_os_write__file}"
+        _spcd_os_cat "${spcd_os_write__file}"
     fi
 }