Many people regard command line interfaces as old-fashioned. They’re certainly less friendly and much less intuitive than icons and a mouse. Nevertheless, command line interfaces still exist, and even the Macintosh, the computer that introduced the masses to icons and mice, has one. So what are the advantages and disadvantages of CLI?
Command lines can be cryptic but they can be a whole lot faster, and they make automation and dealing with huge data sets possible. Network administrators, system administrators, security professionals, and data scientists may all spend significant time using a CLI for this reason.

David Farquhar is a computer security professional, entrepreneur, and author. He has written professionally about computers since 1991, so he was writing about retro computers when they were still new. He has been working in IT professionally since 1994 and has specialized in vulnerability management since 2013. He holds Security+ and CISSP certifications. Today he blogs five times a week, mostly about retro computers and retro gaming covering the time period from 1975 to 2000.










