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Nvi is an implementation of the ex/vi text editor originally distributed as part of the Fourth Berkeley Software Distribution (4BSD), by UC-Berkeley. Nvi supports all the historic ex/vi features except for open mode and the lisp edit option (e.g., it has a fully implemented underlying ex mode). It has a number of additional features as well:

  • 8-bit clean data, lines and files limited by available memory
  • Multiple edit buffers
  • Colon command-line editing and path name completion
  • Tag stacks (including support for Cscope databases)
  • Extended Regular Expressions
  • Infinite undo
  • Horizontal scrolling
  • Message catalogs (Dutch, English, French, German, Russian, Spanish, Swedish)
  • Preliminary support for Perl and Tcl/Tk scripting languages


Download version 1.81.6 (stable)
released on 18 November 2007

VCS Checkout


Related Projects


LicenseVerified byVerified onNotes
BSD 3ClauseJanet Casey3 August 2001

Leaders and contributors

Keith Bostic Maintainer
Sven Verdoolaege Maintainer
See the README file in the distribution for a complete list Contributor

Resources and communication

Audience Resource type URI
Developer,Support E-mail
Bug Tracking E-mail

Software prerequisites

Kind Description
Required to use DB3.1

This entry (in part or in whole) was last reviewed on 13 September 2015.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

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