Created
May 11, 2018 02:18
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from https://unix.stackexchange.com/a/29811 | |
Using su without -l or - starts bash as an interactive, but non-login shell, which doesn't read from either of the files you specified. Use the -l or - option or put the relevant config into /root/.bashrc. | |
Quick summary of config files: | |
* Login shell (-l/--login) reads /etc/profile first, and then the first it finds of: ~/.bash_profile, ~/.bash_login, and ~/.profile. | |
* Interactive but non-login shell (-i) reads /etc/bash.bashrc and ~/.bashrc, in that order (unless the --rcfile option is used and tells it to look elsewhere). | |
* Non-interactive shells, e.g. started from within another program without using the -l or -i flags, reads the file specified in the BASH_ENV environment variable. | |
* When run as sh as a login shell, it will read /etc/profile and ~/.profile, in that order. | |
* When run as sh as an interactive non-login, it reads the file specified in ENV. | |
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