add xargs

pages/linux/xargs.md

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+# xargs
+
+> execute a command with piped arguments
+
+- main use
+
+`{{arguments}} | xargs {{command}}`
+
+- handling whitespace in arguments
+
+`{{arguments_null_terminated}} | xargs -0 {{command}}`
+
+- example: list unneeded packages with deborphan and remove them with apt-get
+
+`sudo deborphan | xargs sudo apt-get remove`