/dev/pts/5
$SHELL: /bin/bash
$0: /bin/bash
$BASH_VERSION: 4.4.12(1)-release

called by source
q is aliased to `return'

ps of $$:
bash

ps tree of $$:
root       301   291  0 14:40 pts/5    00:00:00       /bin/bash --rcfile /opt/conda/lib/python3.7/site-packages/pexpect/bashrc.sh
root       366   301  0 14:42 pts/5    00:00:00         ps -efHww
root       367   301  0 14:42 pts/5    00:00:00         grep 301 --color

/dev/pts/5
$SHELL: /bin/bash
$0: source_OR_sh.sh
$BASH_VERSION: 4.4.12(1)-release

called by *sh*
q is aliased to `exit'

ps of $$:
bash

ps tree of $$:
root       342   301  0 14:42 pts/5    00:00:00         bash source_OR_sh.sh
root       349   342  0 14:42 pts/5    00:00:00           ps -efHww
root       350   342  0 14:42 pts/5    00:00:00           grep 342 --color

source_OR_sh.sh: 1: source_OR_sh.sh: shopt: not found
/dev/pts/5
$SHELL:
$0: source_OR_sh.sh
$BASH_VERSION:

called by *sh*
q is an alias for exit

ps of $$:
sh

ps tree of $$:
root        28     6  0 May21 ?        00:00:35     /opt/conda/bin/python -m bash_kernel -f /root/.local/share/jupyter/runtime/kernel-0d3351dc-2bb7-420a-8ed1-d5f3a0d01c4c.json
root       351   301  0 14:42 pts/5    00:00:00         sh source_OR_sh.sh
root       358   351  0 14:42 pts/5    00:00:00           ps -efHww
root       359   351  0 14:42 pts/5    00:00:00           grep 351 --color