1
vote
Discover the PID of a child process before it starts or after it finished
If you run
exec "$programName" > "$logFolder/${programName}_$$.log" 2>&1
then the program will be executed in the same $$ process.
That obviously will be the last thing ...
- 533k
1
vote
Process appears with square brackets ([]) around name after being SIGKILL'd
The short answer is in the ps man page:
Sometimes the process args will be unavailable; when this happens, ps will instead print the executable name in brackets.
What this means is that the procps ...
- 943
1
vote
What after exec() in ls command: Is the parent process printing the output to the console or the child?
Strictly speaking neither of parent and child do the actual output to the screen; instead the operating system kernel (specifically the tty driver) does the output.
The processes only send the data to ...
- 1,224
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