coreutils: Modified command invocation

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1 23 Modified command invocation
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1 This section describes commands that run other commands in some context
1 different than the current one: a modified environment, as a different
1 user, etc.
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· chroot invocation           Modify the root directory.
· env invocation              Modify environment variables.
· nice invocation             Modify niceness.
· nohup invocation            Immunize to hangups.
· stdbuf invocation           Modify buffering of standard streams.
· timeout invocation          Run with time limit.
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