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List:       ilugc
Subject:    [Ilugc] 1D1C - bg
From:       Dhana Sekar <tkdhanasekar () gmail ! com>
Date:       2013-07-31 15:20:26
Message-ID: CALV9omY1L4pUrjXO9ORcz1ba1dP0djd1_3H+AAo7O+Dm_v2xOQ () mail ! gmail ! com
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command: bg
usage: bg command is used to place a job in background

syntax: $ bg [-l] [-p] [-x] [job]

          l -  Report the process group ID and working directory of the jobs
          p - Report only the process group ID of the jobs.
          x - Replace any job_id found in command or arguments with the
               corresponding process group ID,
        job - Specifies the job that you want to run in the background.

examples:

1. To list the background jobs

    $ bg

2. To run a process in background

    $ vlc

    press ctrl+z to stop the current job

    to move the stopped job to background

    $ bg

3. To move the specified job to back ground

    $ vlc

    press ctrl+z to stop the job

    $ sleep 180

    press ctrl+z to stop the job

    $ sleep 100

    press ctrl+z to stop the job

    now type

    $ jobs

    [1]   Stopped                  vlc
    [2]-  Stopped                  sleep 180
    [3]+  Stopped                 sleep 100

to make the jobid [2] to run type

    $ bg 2

now check with jobs

    $ jobs

   [1]-  Stopped                 vlc
   [2]   Running                 sleep 180 &
   [3]+  Stopped                sleep 100

4. User can run a job in the background by adding a "&"
    symbol at the end of the command.

    $ vlc&

    $ sleep 200&

    $ libreoffice&

regards,
dhanasekar
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