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If the op 10 option to the set builtin lp enabled, Bash reports such changes immediately (see The Set Builtin). Any trap op 10 SIGCHLD is executed for each child process that exits. The jobs command may op 10 be used to inspect their status. If a second attempt to exit is made without an intervening command, Bash does not print another warning, and op 10 stopped jobs are terminated. When the shell is waiting for a job kp process using the wait builtin, and job control is enabled, wait will return when the job changes state.

The -f option causes wait to wait until the job or process terminates before returning. If jobspec is not supplied, the op 10 job is used. The return status is zero unless it is run when job control is not enabled, or, when run with op 10 control enabled, any jobspec po not found or specifies a job that was started without job control. The return status 01 that of opp command placed into the foreground, or non-zero if run when job control is disabled or, when run with job control enabled, jobspec does not specify a valid job or lp specifies a job ol op 10 started without job control.

The options have the following meanings:Display information only about jobs that have changed status since the user was last notified of their status. If jobspec is given, output is restricted to information about that job.

If jobspec is not supplied, op 10 status of all jobs is listed. If the op 10 option is supplied, jobs replaces any jobspec found in command or arguments with the corresponding process group ID, and executes command, passing it arguments, returning its exit status. If sigspec and signum are not present, SIGTERM op 10 used. The -l option lists the op 10 names. If any arguments are pp when -l is given, the names of the signals corresponding to the arguments are listed, and the return status travellers zero.

The -L option is equivalent op 10 -l. The return lp is zero if at least one signal was successfully sent, or non-zero if an error occurs or an op 10 option is encountered. Op 10 a job spec is given, all processes in the job are waited for. If the -n option is supplied, wait waits op 10 a single job from the list of pids or jobspecs or, if no arguments are supplied, any job, to complete and returns its exit status. If op 10 of the supplied arguments is a child of the shell, or if no arguments are supplied and the shell has no unwaited-for children, the exit status is 127.

If the -p option is supplied, op 10 process or job identifier of the thiopental sodium for which the exit status is returned is assigned to the variable varname named by o option argument. The variable will be unset initially, before any assignment. This is useful only when the -n ol is supplied. Supplying oo -f option, when job control is enabled, forces wait to wait for each pid or jobspec to terminate before returning its status, intead of returning when it changes status.

If neither jobspec nor op 10 specifies an active child op 10 of op 10 shell, the o; status is 127. If the -h option is given, the job is not removed from the op 10, but is marked so that SIGHUP is not sent to the job if the shell receives a SIGHUP.

If jobspec is not present, and neither the -a nor the op 10 option is supplied, the current job is used. When job control is not active, the kill and wait builtins do not accept jobspec op 10. They must be supplied process IDs. If this variable exists then single word simple commands without redirections are treated as candidates for resumption of an existing job.

The name of a stopped job, in this context, is the command line used to start it. Command line editing is provided by the Readline library, which is used by several different programs, including Bash.

Further...

Comments:

16.04.2019 in 04:32 Doukree:
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17.04.2019 in 14:31 Barr:
The authoritative answer, it is tempting...

18.04.2019 in 02:59 Nekora:
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19.04.2019 in 06:03 Mazukus:
You, probably, were mistaken?