xmodmap: add page (#8106)

pages/linux/xmodmap.md

@@ -0,0 +1,20 @@
+# xmodmap
+
+> Utility for modifying keymaps and pointer button mappings in X.
+> More information: <https://manned.org/xmodmap>.
+
+- Swap left-click and right-click on the pointer:
+
+`xmodmap -e 'pointer = 3 2 1'`
+
+- Reassign a key on the keyboard to another key:
+
+`xmodmap -e 'keycode {{keycode}} = {{keyname}}`
+
+- Disable a key on the keyboard:
+
+`xmodmap -e 'keycode {{keycode}} ='`
+
+- Execute all xmodmap expressions in the specified file:
+
+`xmodmap {{path/to/file}}`