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30 lines
1.2 KiB
Markdown
30 lines
1.2 KiB
Markdown
## Name
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nohup - Invoke a utility that will ignore SIGHUPs
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## Synopsis
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```sh
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$ nohup <utility> [args...]
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```
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## Description
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`nohup` will invoke `utility` given an optional list of `args`, where at the time of the invocation it will ignore the SIGHUP signal.
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If the standard output is a tty, `utility` will append its standard output to the end of the file **nohup.out** in the current directory. If **nohup.out** fails to be created or opened for
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appending, `utility`'s standard output will instead be appended to the end of the file **$HOME/nohup.out**. If this also fails, `utility` won't be invoked. **nohup.out**'s
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permission bits are set to S_IRUSR | S_IWUSR when it is created.
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If standard error is a tty, one out of the following will occur:
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1. If the standard output is open but not a tty, `utility` will redirect its standard error to its standard output.
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2. If the standard output is a tty or is closed, standard error shall be appended to the end of **nohup.out** as described above.
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## Arguments
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* `utility`: Utility to be invoked
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* `args`: Arguments to pass to `utility`
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## Exit Status
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* 126 - `utility` was found but could not be invoked.
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* 127 - Either `utility` could not be found or an error occurred in `nohup`.
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