How do I create a Unix executable file?

Save the file as hello.sh (the . sh is just convention, it could be any file name). Then run chmod +x hello.sh and you will be able to run this file as an executable. Move this file to /usr/local/bin and you should be able to run hello.sh from command line and it should execute your program.

How do I save an executable file in Linux?

This can be done by doing the following:

1. Open a terminal.
2. Browse to the folder where the executable file is stored.
3. Type the following command: for any . bin file: sudo chmod +x filename.bin. for any .run file: sudo chmod +x filename.run.
4. When asked for, type the required password and press Enter.