Update cheatsheets

tldr/linux/steamos-select-branch

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# steamos-select-branch
+
+> Select a SteamOS system release branch.
+> More information: <https://gitlab.com/users/evlaV/projects>.
+
+- View the current branch:
+
+`steamos-select-branch -c`
+
+- List all available branches:
+
+`steamos-select-branch -l`
+
+- Switch to the beta branch:
+
+`steamos-select-branch beta`
+
+- Switch back to the stable release:
+
+`steamos-select-branch stable`
+
+- Switch to the bleeding edge branch:
+
+`steamos-select-branch main`

tldr/linux/wpctl

@@ -33,6 +33,10 @@ source: https://github.com/tldr-pages/tldr.git
 
 `wpctl set-volume {{id}} {{n}}%{{+|-}}`
 
+- Increase the volume of a sink by `n` percent but limit the volume below 100%:
+
+`wpctl set-volume {{[-l|--limit]}} 1 {{id}} {{n}}%-`
+
 - Mute/Unmute a sink (1 is mute, 0 is unmute):
 
 `wpctl set-mute {{id}} {{1|0|toggle}}`