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What's the Unix command-line symbol for "the PID of the last suspended process"?
Fresh5 days ago
Mar 15, 20267029 viewsConfidence Score0%
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Problem
In an interactive console like , sometimes something will go wrong and the console becomes unresponsive. One solution is to suspend the process, then kill it. To suspend the process, I can press . To kill that process, I can run to list all the processes and show only the ones that contain 'irb', t…
Error Output
irb
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Fix for: What's the Unix command-line symbol for "the PID of the last suspended process"?
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You might be looking for the variable (bash manual, section Special Parameters). However, you don't need the PID – the built-in command also accepts job identifiers, such as , which are shown when you press Ctrl-Z or type . You can use , or to refer…
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