If you're reading this publication, you already know that Linux is one of the most powerful and versatile operating systems available today. If you're an old-timer like me, you also know all about the ...

The first line writes "hello world" to the file "output", the second reads it back and writes it to standard output (normally the terminal). A "here" document is essentially a temporary, nameless file ...

Here are some warm-up exercises for anyone just starting to use the Linux command line. Warning: It can be addictive. If you’re new to Linux or have simply never bothered to explore the command line, ...