1: # Introduction
3: Normally a user can use the **ps** command to see any process running on a system.
4: A nice additional security measure is to hide these processes.
5: A user may be able to "see" only her own processes thanks to the **security.curtain** sysctl option.
7: # Execution
9: Run following command as a user with root privileges:
11: # sysctl -w security.curtain=1
14: Now type as normal user:
16: # ps auxww
19: You should be able to see only processes belonging to your user.
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