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3 questions
2votes
1answer
235views
How does a new process executed in Bash always has the same environment variables?
A while ago I was exploring a simple C program's ELF binary using GDB. I saw that the environment variables that are printed when I run printenv in the terminal are also present at the top of the ...
3votes
1answer
4kviews
Processes PPID changed to 1 after closing parent shell
Opening a new terminal and typing the command firefox& inside, ps -l gives : 4 R 1000 23132 23104 99 80 0 - 2177945 - pts/27 00:00:07 firefox If the shell is closed with the command exit,...
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2votes
1answer
382views
What process state(s) is counted into cpu time?
Two observations of mine (correct me if wrong): In the output of time for timing a process, 'User' and 'Sys' come from wait (2) or times (2), depending on the particular system. In Linux kernel, ...
- 106k
