Merge pull request #212 from hemanth/master

Adding docs for 'sudo'

pages/common/sudo.md

@@ -0,0 +1,20 @@
+# sudo
+
+> execute a command as another user
+
+- Listing of an unreadable directory:
+
+`sudo {{ls}} {{/usr/local/scrt}}`
+
+
+- To edit a file as user www:
+
+`sudo -u {{www}} {{vi}} {{/var/www/index.html}}`
+
+- To shutdown the machine:
+
+`sudo {{shutdown}} -r +10 {{"Cya soon!"}}`
+
+- To repeat the last command as sudo
+
+`sudo {{!!}}`