Click for a PDF with this and four other essential Linux articles. And, if you’ve ever heard anyone say that for Unix, everything is a file, you might not be too surprised to learn that lsof works ...

GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

A couple of days ago we discussed some problems that could arise with sizing files with HFS compression. This problem basically arises from there being a lack of consistency in the various utilities ...

is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

Unix was developed as a command line interface in the early 1970s with a very rich command vocabulary. DOS followed more than a decade later for the IBM PC, and DOS commands migrated to Windows.

Secure Copy is a UNIX standard used to transfer files from one computer to another. He's how to use the function in macOS, all via the Terminal window. Before personal computers, there were mainframe ...

We have looked at the fuser command before to display information about what users or processes are keeping file systems busy. This command can save you a lot of time tracking when you need to quickly ...

Delete Backs up to erase one character. Backspace Mapped as a backspace key, displaying ^H. Ctrl-u Erases the command line. Ctrl-w Erases the last word on the command line. Ctrl-s Stops flow of output ...

The operating system your MacBook runs, OS X, is built on top of UNIX, and Terminal provides you with access to the underlying UNIX system commands. Most server software that your business would want ...