Formatted all pages according to guidelines.

pages/linux/xargs.md

@@ -1,15 +1,15 @@
 # xargs
 
-> execute a command with piped arguments
+> Execute a command with piped arguments.
 
-- main use
+- Main use:
 
 `{{arguments}} | xargs {{command}}`
 
-- handling whitespace in arguments
+- Handling whitespace in arguments:
 
 `{{arguments_null_terminated}} | xargs -0 {{command}}`
 
-- example: list unneeded packages with deborphan and remove them with apt-get
+- Example: list unneeded packages with deborphan and remove them with apt-get:
 
 `sudo deborphan | xargs sudo apt-get remove`