How do I execute a Unix shell script?

Question

I am working in the latest version of Ubuntu and am very new to coding and StackOverflow.

I created a simple script to echo "Hello World".

The script's name is helloworld.sh

#!/bin/sh

echo "Hello World"

I try to run it using sudo ./helloworld.sh, but receive the following prompt:

sudo: ./helloworld.sh: command not found

What am I doing wrong here?

Possible duplicate of Command not found when using sudo

Benjamin W.
– Benjamin W.

2019-01-22 00:47:27 +00:00
Commented Jan 22, 2019 at 0:47 — Benjamin W.
– Benjamin W., Commented Jan 22, 2019 at 0:47

Benjamin W. · Accepted Answer · 2019-01-22 00:44:57Z

0

Try: chmod +x helloworld.sh

You can determine the specific file permissions by running ls -l, which will now show that you have executable permission for the file helloworld.sh, allowing you to run it with ./.

If you do not have permission to change mode (chmod), try running your script as sh helloworld.sh.

Lastly, you shouldn't need to be running with sudo unless there are some strict permissions set on the account.

edited Jan 22, 2019 at 0:44

Benjamin W.

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answered Jan 21, 2019 at 23:59

jonroethke

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1 Comment

Keith Thompson Over a year ago

That last point should be emphasized: there's no reason to use sudo, and you should never use sudo (or otherwise do anything with root permissions) unless there's a valid reason to do so.

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