A 3 file extension is related to the Unix unformatted manual page format.
.3 file extension - Unix unformatted manual page
What is 3 file? How to open 3 files?
File type specification:
The 3 file extension is associated with the roff, nroff, troff, groff text formatting and document processing systems integrated in the Unix operating system. The .3 file stores unformatted manual page file.
Updated: November 29, 2024
The default software associated to open 3 file:
Company or developer:
The Open Group
A multi-tasking operating system for various platforms, the first version of UNIX was released in 1969. It is developed by AT&T as well as various commercial vendors, universities and non-profit organizations. Traditional Original Unix systems have characteristics of Version 7 Unix or UNIX System V. Unix Specification have Mac OS X, Mac OS X Server, Solaris, AIX, HP/UX, z/OS etc. Other systems, such as Linux and BSD are called Unix-like or Unix system-like.
List of recommended software applications associated to the .3 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open 3 file, edit 3 file, convert 3 file, view 3 file, play 3 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with 3 file - Unix unformatted manual page
Click on the software link(s) for more information. Suggested software applications use 3 file type for internal purposes and/or also by different way than common edit or open 3 file actions.
