A signal is a message which can be sent to a running process. Signals can be initiated by programs, users, or administrators.
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Busybox exits instantly printing 'SIGUSR1'
I was tinkering with my router these days. It runs on MIPS core and the OS is based on Linux. But the builtin busybox is very limited. I managed to export a binary of busybox compiled for MIPS through ...
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vote
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Why does this pipeline get SIGTTIN?
When I run the command for i in *.log; do cat "$i" | sort; done | more, the pipeline gets a SIGTTIN signal and is stopped.
bash$ for i in *.log; do cat "$i" | sort; done | more
### (one screenful of ...
