bg, % - puts jobs into the background
bg [%job...] %job&
This command is a built-in command in the C shell and the Korn shell.
The bg(1) command puts the specified jobs (or, if no job is specified, the current job) into the background, continuing each if it is stopped. The job argument can be a number, a string, %, +, -, or omitted. For more information, see "Jobs" in csh(1).
The bg(1) command resumes the specified stopped job or
jobs in the background. If no jobs are specified, the current job