what is shell code example

Example 1: Shell/BAsh

# GNU Bash or simply Bash is a Unix shell and command language written
# by Brian Fox for the GNU Project as a free software replacement for 
# the Bourne shell.

Example 2: shell

conda config --set auto_activate_base false

Example 3: shell commands

compgen -c	#Check commands in Unix
help | more	#Check commands in Windows