Jun 12, 2018
comparing /proc/12345/cmdline on Linux -- "diff --text" vs "diff --brief --text" vs "cmp --silent"
comparing /proc/12345/cmdline on Linux — “diff –text” vs “diff –brief –text” vs “cmp –silent”
https://en.wikipedia.org/wiki/Procfs#Linux
A cmdline “file” contains NUL characters, so “diff” needs to be used with “--text” otherwise it will fail anyway.
I chose process ID 12345 deliberately, it is just a placeholder.
$ cp /proc/12345/cmdline $HOME/cmdline $ ll /proc/12345/cmdline ~/cmdline -r--r--r-- 1 root root 02018-06-12 09:22:50 /proc/12345/cmdline -r--r--r-- 1 user users 45…
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