Personal notes by Jerren Trifan.https://notes.trifall.com/https://notes.trifall.com/p/pgrep-quirks/https://notes.trifall.com/p/pgrep-quirks/Some tricks for avoiding self-matches when using `ps`, `grep`, or `pgrep` to check whether a process is running.Tue, 07 Jul 2026 00:00:00 GMT2026-07-07T00:00:00.000Zlinuxterminalshellbashdashhttps://notes.trifall.com/p/process-substitution/https://notes.trifall.com/p/process-substitution/A little useful trick for making the input / output of a command act as a temporary file into a larger command.Tue, 07 Jul 2026 00:00:00 GMT2026-07-07T00:00:00.000Zlinuxterminalshell