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I don’t use shell scripts too often and had a brain dead moment on how to execute a shell script.

So, for the dummies , here’s a summary so next time I forget I can quickly look at my posts:

For Creating Shell programs
# vi filename.sh (vi is one of many text editors for linux systems)

For Running Shell Programs
# sh filename.sh
or
# chmod 744 filename.sh (you need to change the permission so you, the owner, can execute the script)
#./filename.sh

The most common editor used in UNIX/Linix type operating systems is without a doubt VI. But it can be a pain to remember all the commands used to edit text files/configs and the like.

Here is a quick reference for more than enough commands to keep you busy.

My favourite ‘get out of trouble’ command is the ESC :wq! sequence which will quit without saving the changes I have made

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UNIX/Linux VI made easy with this reference