Throughout this book, you've been practicing running a single command. Unix doesn't really care if you're running a built-in command that came with the system, a program you installed later, or a script your best friend wroteit's all the same to Unix. Code Listing 9.1 shows some options on running a command.
To run a command:
To run a specific command:
Code Listing 9.1. To run a script, command, or program, just enter the name or the path and the name at the shell prompt.