On Thu, Feb 08, 2024 at 02:17:54PM +0700, Dmitry wrote: > Greetings! > > Why variable PS1 dose not change when set it before a command: > Like this: > A="a1" LANG="C.UTF-8" PS1="new" B="b2" bash --noprofile > > $A, $B, $LANG -changed, $PS1 - not. Most likely, you're setting PS1 in .bashrc or /etc/bash.bashrc and you didn't use the --norc option to suppress it.