| 123456789101112131415161718192021222324252627282930313233343536373839 |
- .Dd February 2, 2015
- .Dt SU 1
- .Os ubase
- .Sh NAME
- .Nm su
- .Nd run a command with a substitute user and group ID
- .Sh SYNOPSIS
- .Nm
- .Op Fl lp
- .Op Ar username
- .Sh DESCRIPTION
- .Nm
- allows to run commands with a substitute user and group ID. When called
- without arguments,
- .Nm
- defaults to running an interactive shell as root. For backward compatibility
- .Nm
- defaults to not change the current directory and to only set the environment
- variables
- .Ev HOME
- and
- .Ev SHELL
- (plus
- .Ev USER
- and
- .Ev LOGNAME
- if the target
- .Ar username
- is not root).
- .Sh OPTIONS
- .Bl -tag -width Ds
- .It Fl l
- Starts the shell as login shell with an environment similar to a real
- login.
- .It Fl p
- Preserves the whole environment. This option is ignored if the
- .Fl l
- option is specified.
- .El
|
