When you launch a shell, you can obviously launch any other program. 'su' allows you to launch a shell as any user. You can allow a user to execute nmap (and only nmap) using sudo. The power of sudo is that you can easily configure who can do what. It is 'setuid root', as the program itself requires root permissions to do this. However, it’s always crucial to use these commands responsibly, given the high level of access and control they provide.'sudo' allows you to launch any program as any user. Your choice between the two commands will depend on your specific needs at any given time. In conclusion, while `sudo -i` and `sudo su -` can often be used interchangeably, it’s important to remember that they have slightly different behaviors. This makes sudo -i slightly more efficient.
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