How to run a shell script on a Unix console or Mac terminal?

To start the shell-script 'file.sh':

sh file.sh



bash file.sh

Another option is set executable permission using chmod command:

chmod +x file.sh

Now run .sh file as follows:

./file.sh

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For the bourne shell:

sh myscript.sh

For bash:

bash myscript.sh

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To run a non-executable sh script, use:

sh myscript

To run a non-executable bash script, use:

bash myscript

To start an executable (which is any file with executable permission); you just specify it by its path:

/foo/bar

/bin/bar

./bar

To make a script executable, give it the necessary permission:

chmod +x bar

./bar

When a file is executable, the kernel is responsible for figuring out how to execute it. For non-binaries, this is done by looking at the first line of the file. It should contain a hashbang:

4 years ago