vi63

Vi63 is a variant of the vi text editor, a classic command-line text editor available on Unix-like operating systems. The "63" in Vi63 refers to the version number of the editor, which was released in 1993. Vi63 is notable for its improvements over its predecessor, Vi62, including enhanced compatibility with Unix System V and better support for international character sets.

The editor retains the core features of the original vi, such as modal editing, where users switch between command mode and insert mode. However, Vi63 introduces several new commands and features to improve usability and functionality. These include the ability to use the mouse for text selection and manipulation, support for multiple undo and redo operations, and improved handling of large files.

Vi63 also includes enhancements for programming, such as syntax highlighting for various programming languages and better support for code folding. These features make Vi63 a more versatile tool for developers and programmers.

Despite its improvements, Vi63 has not seen widespread adoption compared to more modern text editors like Vim and Emacs. However, it remains a valuable tool for users who prefer the traditional vi interface or need to work in environments where Vi63 is the default editor.

In summary, Vi63 is a version of the vi text editor that offers several improvements over its predecessors, including better compatibility, enhanced usability features, and support for programming. While not as popular as some other text editors, Vi63 remains a useful tool for certain users and environments.