In Unix and Unix-like operating systems, job control refers to control of jobs by a shell, especially interactively, where a "job" is a shell's representation for a process group. Basic job control features are the suspending, … See more

The POSIX standard specifies two commands for resuming suspended jobs in the background and foreground, respectively bg and … See more

Typically, the shell keeps a list of jobs in a job table. Recall that a job corresponds to a process group, which consists of all the members of a See more

When using Unix or Unix-like operating systems via a terminal (or terminal emulator), a user will initially only have a single process running, their interactive shell (it may be See more

Job control was first implemented in the C shell by Jim Kulp, then at IIASA in Austria, making use of features of the 4.1BSD kernel. The KornShell, developed at Bell Labs, adopted it and it was later incorporated into the SVR4 version of the Bourne shell See more

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• Marshall Kirk McKusick and George V. Neville-Neil (2004-08-02). "FreeBSD Process Management: Process Groups and Sessions". The Design and Implementation of … See more