Learn how to use grep and regular expressions to search for text/ words in Linux, macOS, *BSD or Unix like systems.
ps -p $$
chsh -s /bin/ksh
See my updated page “The most *reliable* and *simple* way to the current shell interpreter name on Linux, macOS or Unix-like system.
Question: What is a Unix or Linux sysadmin’s favourite hangout place?
Answer: Foo Bar