sudo su command to do something in Mac OS X but don't know how to switch back.
Hope you guy can do me a favour.
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If you run
sudo su, that will open a shell as the superuser. Type
exit or Ctrl-D to exit this shell.
Normally, you don't run
sudo su, but you just run
sudo command. Once you type your password,
sudo will record a timestamp and let you run more commands under
sudo without having to type your password for a few minutes. If you want to clear that timestamp (so that someone else can't run
sudo without a password), you can run
I entered sudo su and my password and the cursor changed from my user name to sh-3.2# typing the command whoami indicates "root". Exiting and entering sudo -s adds the designator root# to the cursor and entering whoami indicates "root". From this I conclude that the two commands are equivalent. The exit command reverts to the standard user account in either case.