Note: Many of these commands change the vi editor into the input mode. Inserts text from another file into the current file Inserts text at the beginning of the line The table describes the commands to insert and append text to a new or existing file by using the vi editor. To the first non-white space character on the line The table shows the key sequences that move the cursor. Enter the :q command to exit the file, exit the vi editor, and return to the shell prompt. Entering the colon (:) character places the cursor at the bottom line of the screen. To access the last line mode, enter a colon (:) while in the command mode. Last line mode – You can use advanced editing commands in the last line mode. A – Appends text at the end of the lineģ.O – Opens a new blank line above the cursor.I – Inserts text at the beginning of the line.You can also invoke the input mode to insert text into a file by pressing one of the following uppercase keys: o – Opens a new blank line below the cursor.To invoke input mode, press one of the following lowercase keys: The vi editor interprets everything you type in the input mode as text. Input mode – You can insert text into a file in the input mode. You can also position the cursor, search for text strings, and exit the vi editor.Ģ. In this mode, you can run commands to delete, change, copy, and move text. Command mode – The command mode is the default mode for the vi editor. The vi editor provides three modes of operation: 1.
When you use this command, vi creates a new blank line above your current line, and puts you in insert mode there.The file opens in read-only mode to prevent accidental overwriting of the contents of the file. The uppercase letter "o" lets you open a new line just above your current line. When you use this command, vi creates a new blank line below your current line, and puts you in insert mode at that position. The lowercase letter "o" lets you open a new line just below your current line. This command moves you to the end of the line and puts you in insert mode there.īesides those insert commands, the vi and vim editors offer two new line commands that let you create ("open") new lines in your text files. If instead you want to insert text at the end of the current line, use the uppercase letter "A" to append text there. That is, wherever you are on the current line, this command moves you to the first column of that line and puts you in insert mode at that position. The uppercase letter "I" lets you insert text at the beginning of the current line. This command essentially moves the cursor one position to the right, and puts you in insert mode there. If you want to insert text immediately after the current cursor position, just use the lowercase letter "a" to append text. It lets you insert text at your current cursor position. The lowercase letter "i" is almost certainly the most common vi insert command.
If you're new to vi, you can typically make sure you're in vi command mode by pressing the key. One point to remember: All of those commands can be issued in vi command mode. If you're already comfortable with the vi editor and just need to know some commands to insert in vi, here are the vi insert commands I use every day:Īppend just after the current cursor position Today I'd like to share some simple vi insert commands. I know the vi editor (and vim editor) can be a little hard to get started with, so I've been trying to share some short vi tutorials lately.
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