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To save a file, you must first be in Command mode. In Vi's Command mode, almost every letter on the keyboard has a function. To return to Command mode, press the Esc key once. In Insert mode, you can enter text, use the Enter key to go to a new line, use the arrow keys to navigate text, and use vi as a free-form text editor. Command mode means you can use keyboard keys to navigate, delete, copy, paste, and do a number of other tasks-except entering text. When you first open a file with Vi, you are in Command mode. The Vi editor has two modes: Command and Insert. Cheat sheet: Old Linux commands and their modern replacements.Linux system administration skills assessment.A guide to installing applications on Linux.Download RHEL 9 at no charge through the Red Hat Developer program.To write your changes and exit Vim at the same time, type :wq and then press ENTER. To exit Vim, type :q and then press ENTER. To write your changes without exiting Vim, type :w and then press ENTER. Now you can type commands to save your changes, search for text, and so on. Note that the -INSERT- status line at the bottom of the screen goes blank. To navigate around the file while you are in insert mode, use the arrow keys and Page Up/Page Down keys. Note that the status line at the bottom of the screen changes to -INSERT. To make changes to the text, you must enter insert mode. In normal mode, anything you type on the keyboard is interpreted as a potential command, not changes to the text. You can't just start typing your changes, because Vim starts in normal mode. You can type vim to start the Vim editor if you want, but vi is shorter and does the same thing.Įditing files with Vim is not as intuitive as with Nano. Vim (“Vi Improved”) is a Vi clone that has many more features than the original. One of the earliest text editors on Unix systems was the Vi editor. If you are wondering why you type vi instead of vim, the vi command is a link to vim.