Mention the builtin "help"

[jalanb]

As the guide is so Bash-centric I suggest mentioning the builtin "help" command, as it can be the only source of extra info for some commands (other builtins)

For example, disown is mentioned so I tried to find out more about it

$ man disown
No manual entry for disown
$ disown --help
bash: disown: --: invalid option
disown: usage: disown [-h] [-ar] [jobspec ...]
$ disown -h
bash: disown: current: no such job
$ help disown
disown: disown [-h] [-ar] [jobspec ...]
    Remove jobs from current shell.

    Removes each JOBSPEC argument from the table of active jobs.  Without
    any JOBSPECs, the shell uses its notion of the current job.

    Options:
      -a    remove all jobs if JOBSPEC is not supplied
      -h    mark each JOBSPEC so that SIGHUP is not sent to the job if the
        shell receives a SIGHUP
      -r    remove only running jobs

    Exit Status:
    Returns success unless an invalid option or JOBSPEC is given.

[jlevy]

Fixed in 23c653b

[jlevy]

Thanks!