get-name-of-shell.md

• To get the name:

sh -c 'ps -p $$ -o ppid=' | xargs ps -o comm= -p

• OR to get full path of executable:

sh -c 'ps -p $$ -o ppid=' | xargs -I'{}' readlink -f '/proc/{}/exe'

source: https://askubuntu.com/a/1022440