If you’re new to the world of the Linux command line, then you know how eye-openingly powerful it can be. In fact, the sky’s the limit with what you can do from the Command Line interface. But, ...

If you have any experience with the Linux command line, you’ve probably used a pipe to solve tasks by combining simple ...

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 ...

The diff, comm, cmp, and colordiff commands are among the many ways to compare text files on a Linux system. There are numerous ways to compare text files on a Linux system from the command line. This ...

Today’s hint will probably only appeal to those of you learning to use the Unix side of OS X. A while back, I was trying to capture the output of the Unix command httpd -t (which runs a syntax check ...