A sun4 file extension is related to the SunOS operating system version 4. A sun4 file contains data.
Software that open sun4 file
SUN4 file extension - SunOS Solaris 4 data
What is sun4 file? How to open sun4 files?
File type specification:
The sun4 file extension is associated with SunOS version 4 called Solaris, a Unix-based operating system for various hardware platforms.
The sun4 file stores various data used for internal purposes of the Solaris.
Sun Microsystems is now part of Oracle.
This sun4 file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
The default software associated to open sun4 file:
Company or developer:
Sun Microsystems, Inc.
SunOS is Unix operating system for workstations and servers. SunOS is based on BSD Unix. From SunOS version 5 is based on Unix System V and called Solaris.
Company or developer:
Oracle Corporation
Solaris also known as Oracle Solaris is Unix operating system with GUI for x86-64 and SPARC platforms. It is successor of SunOS operating system. It can be used on workstations as well as on servers.
List of recommended software applications associated to the .sun4 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 sun4 file, edit sun4 file, convert sun4 file, view sun4 file, play sun4 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with sun4 file - SunOS Solaris 4 data
Click on the software link(s) for more information. Suggested software applications use sun4 file type for internal purposes and/or also by different way than common edit or open sun4 file actions.