update command line tutorial

dh-notes · Oct 4, 2017 · 8ec00de · 8ec00de
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diff --git a/tutorials/command-line/103-permissions.md b/tutorials/command-line/103-permissions.md
@@ -17,6 +17,7 @@ touch test.txt
 chmod u-w test.txt
 nano test.txt
 man sudo
+cat /etc/passwd ## list all users on the machine
 ```
 
 ![List view.](../images/perm.png)