Most of the vi commands move the cursor around in the file.
Using vi you can insert text anywhere in the file very easily.
Changes you make to the file are reflected in what you see. Vi is an interactive text editor that is display-oriented: the screen of your terminal acts as a window into the file you are editing. The C command is like the X command of ex, except that all text read in is assumed to have been encrypted.īegin editing by executing the specified editor command (usually a search or positioning command). This is useful when using the editor over a slow speed line.Įncryption option same as the -x option, except that vi simulates the C command of ex. This is a good way to decrypt a file erroneously encrypted with a mistyped encryption key, such as a backspace or undo key. If an empty encryption key is entered (that is, if the return key is pressed right after the prompt), the file will not be encrypted. The temporary buffer file is encrypted also, using a transformed version of the key typed in for the -x option. The X command makes an educated guess to determine whether text read in is encrypted or not. This key is used to encrypt and decrypt text using the algorithm of the crypt function. This may be useful when processing ex commands within shell scripts.Įncryption option when used, vi simulates the X command of ex and prompts the user for a key. When ex commands are read by means of standard input, the input will be echoed to standard error. See ctags for more information on tags files.Įdit the file containing the tag tag, and position the editor at its definition. Creation of tags files normally produces sorted tags files. Since the linear search is slow, users of large tags files should ensure that the tags files are sorted rather than use this flag. This option is used in conjunction with the -t tag option to tell vi that the tags file may not be sorted and that, if the binary search (which relies on a sorted tags file) for tag fails to find it, the much slower linear search should also be done. Readonly mode the readonly flag is set, preventing accidental overwriting of the file. Recovers the version of filename that was in the buffer when the crash occurred. List the name of all files saved as the result of an editor or system crash.Įdit filename after an editor or system crash. This is useful when processing editor scripts. For more information, please see our vim documentation. Today vi is the most popular text editor among Linux users.Ī more feature-rich implementation of vi named vim (which stands for "vi improved") is also available. As ex gained popularity, Joy noticed that most users were exclusively using its visual mode, so to make things more convenient for his users, he added a link to ex which started it in visual mode automatically. The vi command starts the visual mode of ex, the landmark editing program developed by William Joy in the late 1970s.
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