fc-pattern, sv, tomb, xkill: add examples (#6121)

pages/common/sv.md

@@ -14,3 +14,11 @@
 - Get service status:
 
 `sudo sv status {{path/to/service}}`
+
+- Reload a service:
+
+`sudo sv reload {{path/to/service}}`
+
+- Start a service, but only if it's not running and don't restart it if it stops:
+
+`sudo sv once {{path/to/service}}`

pages/common/xkill.md

@@ -6,3 +6,7 @@
 - Display a cursor to kill a window when pressing the left mouse button (press any other mouse button to cancel):
 
 `xkill`
+
+- Display a cursor to select a window to kill by pressing any mouse button:
+
+`xkill -button any`

pages/linux/fc-pattern.md

@@ -5,4 +5,8 @@
 
 - Display default information about a font:
 
-`fc-pattern -d '{{DejaVu Serif}}'`
+`fc-pattern --default '{{DejaVu Serif}}'`
+
+- Display config information about a font:
+
+`fc-pattern --config '{{DejaVu Serif}}'`

pages/linux/tomb.md

@@ -11,6 +11,10 @@
 
 `tomb forge {{encrypted_directory.tomb.key}}`
 
+- Forcefully create a new key, even if the tomb isn't allowing key forging (due to swap):
+
+`tomb forge {{encrypted_directory.tomb.key}} -f`
+
 - Initialize and lock an empty tomb using a key made with `forge`:
 
 `tomb lock {{encrypted_directory.tomb}} -k {{encrypted_directory.tomb.key}}`