I think /etc/profile is sourced when the system starts but what sources it? It is not sourced within the .bashrc hierarchy when a user logs in. I am using Ubuntu but I believe this is universal across distributions.
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muru
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amphibient
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1Logs in where? In the GUI? In a TTY? SSH? – muru Jan 08 '22 at 00:47
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man bash:
When bash is invoked as an interactive login shell, or as a non-interactive shell with the --login option, it first reads and executes commands from the file /etc/profile, if that file exists.
So, it's your shell. It gets read before .bashrc. There's certainly also shells that just ignore that file, for example, I think [t]csh doesn't care about it.
Marcus Müller
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/etc/profileis used by all Bourne-shell compatible shells - including bash, ash, dash, ksh, and zsh. Some of these have other global profile scripts they use in addition to (or instead of) /etc/profile. They also have per-user profile scripts in ~, which can vary depending on whether the shell is a login shell or not. Or whether they're invoked as/bin/shor not. It can be complicated./etc/profileisn't used by csh or tcsh at all (they use/etc/csh.cshrcor/etc/csh.logininstead, depending on whether they're login or non-login shells) because they're not bourne-compatible. – cas Jan 08 '22 at 05:58 -