(sh-utils.info)Modified command invocation

Modified command invocation
***************************

   This section describes commands that run other commands in some
context different than the current one: a modified environment, as a
different user, etc.



* chroot invocation
Modify the root directory.
* env invocation
Modify environment variables.
* nice invocation
Modify scheduling priority.
* nohup invocation
Immunize to hangups.
* su invocation
Modify user and group id.