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 ...

Memory is still one of the things that most determines how well your Unix servers will perform. Knowing what commands will tell you what you need to know and what their responses mean will help keep ...

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 ...

Have you ever entered “ls –l” into a UNIX command line and seen something like this? Do you wonder what the “drwxr–r– “ means or why you can’t edit, open, or even read some files or directories? Well, ...

Unix is a multi-user operating system deep into the kernel level of its operations. Unix-like operating systems that are commonly used in the workplace include OS X and every variety of Linux, as well ...

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, ...

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 ...