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"executable image is already in memory" would be the case regardless. Executables are mmap'd; if the same one is already running, well, it's already mapped (unless the system is under so much memory pressure as to cause parts of it to be swapped out, but that'd be a problem using /proc/self/exe too).

Charles Duffy
– Charles Duffy

2022-11-21 14:11:27 +00:00
Commented Nov 21, 2022 at 14:11
This also shows a fundamental problem with the question. If the shell script from the question runs in a BusyBox shell, ls and grep will share the same inode !

MSalters
– MSalters

2022-11-22 13:23:31 +00:00
Commented Nov 22, 2022 at 13:23

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