diff --git a/install_functions.fish b/install_functions.fish
new file mode 100644
index 0000000..c921d12
--- /dev/null
+++ b/install_functions.fish
@@ -0,0 +1,43 @@
+# install_fish_functions.fish
+function mkcdir
+  mkdir -p -- $argv[1]
+  cd -P -- $argv[1]
+end
+funcsave mkcdir
+
+function newgit
+  mkcdir $argv[1]
+  git init
+  git checkout -b main
+  touch README.md
+  git add .
+  git commit -a -m "initial commit"
+  git remote add origin https://git.boergmann.it/klaas/$argv[1].git
+  git push -u origin main
+end
+funcsave newgit
+
+function fframes
+  mkdir $argv[1]
+  ffmpeg -i "$argv[1].mp4" "$argv[1]/%03d.jpg"
+end
+funcsave fframes
+
+function gitclone
+  git clone https://git.boergmann.it/klaas/$argv[1].git
+  cd $argv[1]
+end
+funcsave gitclone
+
+alias doch='sudo (history --max=1 | string split " " | string join " ")'
+funcsave doch
+
+alias s001='ssh klaas@s001'
+funcsave s001
+
+alias s002='ssh klaas@s002.boergmann.it'
+funcsave s002
+
+alias s003='ssh harald@klaas-boergmann.de'
+funcsave s003
+