linux - suspend a shell command without pid -

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i need $command & stop should execute command , suspend it. application later resumes command complete results.

i understand job can suspended stop signal corresponding pid.

$kill -sigstop 12753

when execute command, barely know pid. there command involved take pid , required. want avoid command , time interval.

basically application measure of network performance. trigger commands put them in halt mode. halted commands resumed per kind of traffic needed.

the process id of started background command available in shell parameter $!:

$ command & kill -sigstop $!

(check documentation shell's implementation of kill correct format.)


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