su, su -, sudo _and runuser_
Rainer Traut
tr.ml at gmx.de
Tue Aug 29 11:34:30 UTC 2006
Hi,
Tim schrieb:
> Gayal asked:
>>>> Wuts the different between su, su - root and sudo ?
I think a better question is what is 'runuser' for?
It has less options than su but does the same thing?!
Thx
Rainer
>
> Jafar concisely answered:
>>> su will let you run a shell with substitute user without
>>> making the shell a login shell.
>>> su - will let you run a shell with substitute user and make the shell
>>> a login shell. If you put no username, it assumes as root (same as su)
>
> Minor elaboration: "su - root" is the same as "su -". While the
> omission or inclusion of the username is the same in "su" as "su -", the
> response could have been interpreted as "su -" = "su".
>
>>> sudo will let you run certain or all commands as if you are
>>> root, depending on the settings on visudo file.
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