Mailinglist Archive: opensuse (3166 mails)

["Robt. Miller" <bobm@xxxxxxxxxxx>]

On Sun, 30 Mar 2003 Ted.Harding@xxxxxxxxxxxxxxxx wrote:

> This use of "&" in known in the Unix world as "putting a process
> in the background". There are two associated commands: "bg" and "fg"
> (see "help bg" and "help fg" if running the bash shell).
>
> If a job has been put in the background (e.g. by using "&") after
> the command (say):
>
>   program1 &
>
> you will see a job-number in [...] and process-id as soon as your
> command-lie prompt returns, e.g.
>
>   xterm &
>   [1] 5314
>
> If you now did
>
>   fg 1
>
> you would re-attach the program (in this case "xterm") to the
> command line (though in this case, where the program is "xterm",
> nothing interesting would happen, except that the command-line
> would no longer accept independent input). Often, typing Ctrl-Z at
> a program which is running in the foreground will put it in the
> background, liberating the command-line, with a message like
>
>   [1]+  Stopped                 xterm
>
> It could then be brought back to the foreground with "fg 1".

 Also of interest is the program screen.


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