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I've got a problem. I'm searching for long time for this answer - how can I run command in new bash shell and stay in this NEW shell after this commands executes. So for example:
bash -c "export PS1='> ' && ls" will make new shell, export PS1, list directories and ... will exit to my current shell. I want to stay in the new one.
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In order to run a Bash script on your system, you have to use the “bash” command and specify the script name that you want to execute, with optional arguments. Alternatively, you can use “sh” if your distribution has the sh utility installed. As an example, let's say that you want to run a Bash script named “script”.
You can achieve something similar by abusing the --rcfile option:
bash --rcfile <(echo "export PS1='> ' && ls") From bash manpage:
--rcfile file
Execute commands from file instead of the system wide initialization file /etc/bash.bashrc and the standard personal initialization file ~/.bashrc if the shell is interactive
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