diff --git a/pages/linux/steamos-add-to-steam.md b/pages/linux/steamos-add-to-steam.md
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+# 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}}`
diff --git a/pages/linux/steamos-dump-info.md b/pages/linux/steamos-dump-info.md
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+# steamos-dump-info
+
+> View SteamOS system information.
+> More information: <https://gitlab.com/users/evlaV/projects>.
+
+- View SteamOS system information:
+
+`sudo steamos-dump-info`
diff --git a/pages/linux/steamos-readonly.md b/pages/linux/steamos-readonly.md
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+# 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`
diff --git a/pages/linux/steamos-session-select.md b/pages/linux/steamos-session-select.md
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+# 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`
diff --git a/pages/linux/steamos-update.md b/pages/linux/steamos-update.md
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+# 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`