Running a Command
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 wrote—it’s all the same to Unix. Code Listing 9.1 shows some options on running a command.
To run a command:
ls
At the shell prompt, type the command and press
.
To run a specific command:
/home/jdoe/scripts/ls
It’s certainly possible that you would want to write a script that would list the files in your directory in a special way—for example, a script to list the files and to save the listing into a new file ...
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