bash shell language 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: bash linux scripting laguage

#!/bin/bash

num_a=100
num_b=200

if [ $num_a -lt $num_b ]; then
    echo "$num_a is less than $num_b!"
fi