Execute custom script as command.

Create bash script, 

Create file: script.sh

#!/bin/bash 

date echo "testing" 

 

 Apply executable permission.

# chmod 0777 script.sh

 

Move script to /usr/local/bin/

# mv script.sh /usr/local/bin/

 

Now you can execute script from anywhere.

# cd /home/
# script.sh 

output:

Thu Nov 18 11:05:41 IST 2021
testing