Update cheatsheets

tldr/linux/efibootmgr

@@ -8,22 +8,22 @@ source: https://github.com/tldr-pages/tldr.git
 > Manipulate the UEFI Boot Manager.
 > More information: <https://manned.org/efibootmgr>.
 
-- List the current settings then bootnums with their name:
+- List all boot options with their numbers:
 
-`efibootmgr`
-
-- List the filepaths:
-
-`efibootmgr -v`
+`efibootmgr {{-u|--unicode}}`
 
 - Add UEFI Shell v2 as a boot option:
 
-`sudo efibootmgr -c -d {{/dev/sda1}} -l {{FI	ools\Shell.efi}} -L "{{UEFI Shell}}"`
+`sudo efibootmgr -c -d {{/dev/sda}} -p {{1}} -l "{{\path	o\shell.efi}}" -L "{{UEFI Shell}}"`
+
+- Add Linux as a boot option:
+
+`sudo efibootmgr --create --disk {{/dev/sda}} --part {{1}} --loader "{{mlinuz}}" --unicode "{{kernel_cmdline}}" --label "{{Linux}}"`
 
 - Change the current boot order:
 
-`sudo efibootmgr -o {{0002,0008,0001,0005}}`
+`sudo efibootmgr {{-o|--bootorder}} {{0002,0008,0001,0005}}`
 
 - Delete a boot option:
 
-`sudo efibootmgr -b {{0008}} --delete-bootnum`
+`sudo efibootmgr {{-b|--bootnum}} {{0008}} {{-B|--delete-bootnum}}`

tldr/linux/steamos-add-to-steam

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# steamos-add-to-steam
+
+> Add a program to Steam library.
+> More information: <https://gitlab.com/users/evlaV/projects>.
+
+- Add a program to Steam library:
+
+`steamos-add-to-steam {{path/to/file}}`

tldr/linux/steamos-dump-info

@@ -0,0 +1,13 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# steamos-dump-info
+
+> View SteamOS system information.
+> More information: <https://gitlab.com/users/evlaV/projects>.
+
+- View SteamOS system information:
+
+`sudo steamos-dump-info`

tldr/linux/steamos-readonly

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# steamos-readonly
+
+> Set the readonly status of the filesystem.
+> More information: <https://gitlab.com/users/evlaV/projects>.
+
+- Set the filesystem to be mutable:
+
+`sudo steamos-readonly disable`
+
+- Set the filesystem to be read only:
+
+`sudo steamos-readonly enable`

tldr/linux/steamos-session-select

@@ -0,0 +1,25 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# steamos-session-select
+
+> Manipulate which session is currently in use.
+> More information: <https://gitlab.com/users/evlaV/projects>.
+
+- Change to desktop mode:
+
+`steamos-session-select plasma`
+
+- Change to gamemode:
+
+`steamos-session-select gamescope`
+
+- Change to Wayland desktop mode:
+
+`steamos-session-select plasma-wayland-persistent`
+
+- Change to X11 desktop mode:
+
+`steamos-session-select plasma-x11-persistent`

tldr/linux/steamos-update

@@ -0,0 +1,17 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# steamos-update
+
+> Update SteamOS.
+> More information: <https://gitlab.com/users/evlaV/projects>.
+
+- Update the operating system:
+
+`steamos-update`
+
+- Check if there is an update available:
+
+`steamos-update check`