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this command also can run the last command as root
what's more, sudo !-2 can run the second last command as root , and so on
There are 3 alternatives - vote for the best!
Useful when you forget to use sudo for a command. "!!" grabs the last run command.
\$ which python
\$ ll `!!`
lrwxrwxrwx 1 root root 9 2010-11-08 22:01 /usr/bin/python -> python2.6
Same as `sudo !!`. If you do not have permission to be sudo or sudo does not installed on your system, you can use this.
I often forget to type sudo before a command that needs it. This is the quickest way to rerun the command prefixed by sudo.
If you can do better, submit your command here.
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