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We can use both the single line and multi lines comment in shell script. For using a single line comment we use # in front of the line and for a multi lines comment we use : ‘ ‘ . Let’s see and example:
#!/usr/bin/env bash
#Single line comment
echo "hello world!"
: 'This is a multi
line comment
'
echo new world!
Save this as comment_ex.sh and run as like:
$ bash comment_ex.sh
Output:
hello world!
new world!
You can see the commented texts are ignored.
To see list of examples visit GitHub repository: GitHub Link