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.

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 ...

If you find your thrill delving into the networking side of Unix, you'll find that there are lots of commands to give you all the insights you might want. I will never forget my first ping. Working on ...

The 'sudo' keyword in Unix and Linux allows users to execute certain commands with special-access privileges that cannot otherwise run on a given machine by a user with a lower level of clearance.

Cron is nice and all, but don't forget about its cousin at. When I first started using Linux, it was like being tossed into the deep end of the UNIX pool. You were expected to use the command line ...

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 ...

The UNIX ping command lets you test network servers and latency. Here's how to use it in the macOS Terminal app. The UNIX ping command is a tiny UNIX network tool that allows you to test your network, ...

In Unix-like operating systems, such OS X or a Linux distribution, every file has an owner account. They also have a special program called the terminal that gives access to the command line and all ...

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 ...