diff --git a/.config/shell/functions b/.config/shell/functions
index ef38322..5842199 100644
--- a/.config/shell/functions
+++ b/.config/shell/functions
@@ -195,7 +195,7 @@ clearNpmCache() {
 	npm install
 }
 
-# NAVIGATION & DISK
+# NAVIGATION
 
 alias rcd="cd $PWD"
 cdd() { cd "$@" 2>/dev/null || cd "$(dirname "$1")" "${@:2}" }
@@ -219,26 +219,12 @@ cl() {
 	ls --almost-all --group-directories-first --file-type
 }
 
-# like "which", but shows contents if it resolves to a file
-wh() {
-	res=$(which "$@")
-	test -f "$res" && b "$res" || echo "$res"
-}
-
-# shows size statistics for subfolders
-s() {
-	case "$1" in [0-9]) local depth=$1; shift;; esac
-	sudo du --max-depth "${depth:-1}" -xhat 50M "$@" | sort -h | grep -v "^0"
-}
-# disk size usage information
-alias sd='df -B1M -x tmpfs  -x devtmpfs -x squashfs | awk -v a="\033[31m" -v b="\033[33m" -v c="\033[35m" -v n="\033[0m" '"'"'NR==1 {printf "%-20s %6s %7s %9s %s\n",$1,$5,$3,$4,$6} NR>1 {u=strtonum($5); printf (u > 99) ? a : (u > 97) ? b : (u > 94) ? c : ""; printf "%-20s %6s %6.1fG %8.1fG %s\n",$1,$5,$3/1000,$4/1000,$6; printf n}'"'"
+# FILES
 
 alias f='noglob fd --no-ignore-vcs'
 #alias f='find -not -path "*.sync*" -and -not \( -name daten -prune \)'
 #alias f1='find -mindepth 1 -maxdepth 1'
 
-# FILES
-
 which perl-rename >/dev/null && alias lowercase='perl-rename "y/A-Z/a-z/"' || alias lowercase='rename "y/A-Z/a-z/"'
 
 mkcd() {
diff --git a/.local/bin/s b/.local/bin/s
new file mode 100755
index 0000000..8f86c52
--- /dev/null
+++ b/.local/bin/s
@@ -0,0 +1,5 @@
+#!/bin/sh
+# shows size statistics for subfolders
+# max depth is equal to the first argument if it is a number or 1
+case "$1" in [0-9]) local depth=$1; shift;; esac
+sudo du --max-depth "${depth:-1}" -xhat 50M "$@" | sort -h | grep -v "^0"
diff --git a/.local/bin/sd b/.local/bin/sd
new file mode 100755
index 0000000..0fa643a
--- /dev/null
+++ b/.local/bin/sd
@@ -0,0 +1,4 @@
+#!/bin/sh
+# disk size usage information
+df -B1M -x tmpfs -x devtmpfs -x squashfs | awk -v a="\033[31m" -v b="\033[33m" -v c="\033[35m" -v n="\033[0m" 'NR==1 {printf "%-20s %6s %7s %9s %s\n",$1,$5,$3,$4,$6} NR>1 {u=strtonum($5); printf (u > 99) ? a : (u > 97) ? b : (u > 94) ? c : ""; printf "%-20s %6s %6.1fG %8.1fG %s\n",$1,$5,$3/1000,$4/1000,$6; printf n}'
+
diff --git a/.local/bin/wh b/.local/bin/wh
new file mode 100755
index 0000000..905d46f
--- /dev/null
+++ b/.local/bin/wh
@@ -0,0 +1,4 @@
+#!/bin/sh
+# like "which", but shows contents if it resolves to a file
+res=$(which "$@")
+test -r "$res" && b --plain "$res" || echo "$res"