Write a shell script and execute it once

First the CD into a directory

Tauch tset.sh//Create a new test.sh file

Vim test.sh Edit Script

I insert

#!/bin/bash

Data

Press the ESC key

Then press CTRL +:

Wq + Enter

Ls-l test.sh//view file permissions

-rw-rw-r--1 Elasticsearch elasticsearch 18 February 8 14:20 test.sh//Discovery does not have permission to execute

chmod U+rx tset.sh//Only the owner of the script can read and Execute permissions

./test.sh//Execute script

Write a shell script and execute it once