comment a line in bash script code example

Example 1: bash comment

# This is a Bash comment.
echo "This is Code" # This is an inline Bash comment.

Example 2: comment in bash

#SINGLE COMMENT

<<COMMENT
 MULTILINE COMMENT
COMMENT

: '
 MULTILINE COMMENT
'

echo "Hello Wordl"

Example 3: how to add comments in terminal ubuntu

#!/bin/bash
# By adding hash(#) before line it will takes it as comment.