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up vote 2 down vote favorite

I'm using bash, and I want to be able to execute a script just by typing its name as a command, same as pwd for example.

Is there a specific directory where I need to save my script to, or any other system files I need to edit to achieve this?

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Put it in $PATH. Thats /usr/bin or /usr/local/bin –  Miline Mar 29 at 11:21
1  
Or, create a shell function. –  kojiro Mar 29 at 17:00

4 Answers 4

up vote 0 down vote accepted

You have to install that script in one of the directories of $PATH. Use (echo $PATH) to see the directories of $PATH

  • That means either copy the script to

  • Or make a symbolic link to the script inside one of the directories of $PATH

  • Or append the script directory to $PATH

    export PATH=$PATH:<script directory>
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Got it. Thanks guys, appreciate it. All really helpful info. –  CYQ00000A Mar 29 at 11:35
up vote 3 down vote

You can check what locations are currently checked for direct commands by looking at the $PATH variable:

echo $PATH

It's likely this includes /usr/local/bin, in which case you could put a symbolic link there:

ln -s /opt/mysuperscript /usr/local/bin/mysuperscript

Now you can just type mysuperscript to run your script.

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up vote 2 down vote

In addition to making sure the script is in the $PATH, you also must make the script executable. chmod +x SCRIPTNAME is how you do that.

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up vote 0 down vote

You may want to check the ln command. It can be used to create a link to a file or directory. Try this link to get more infomation: ln command example

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Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference. –  Anthon Mar 30 at 9:21
    
@Erathiel thanks for fix my mistake –  Vu Bui Mar 30 at 10:30
    
@Anthon I'm new here. Thanks for help! –  Vu Bui Mar 30 at 10:32

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