A ctfsys file extension is related to the OS X Mach Kernel, a core part of OS X operating system. A ctfsys file contains system data.

Detailed description

Software that open ctfsys file

Add comment

CTFSYS file extension - OS X Mach Kernel system data

What is ctfsys file? How to open ctfsys files?

File type specification:

System file type icon System file type

ctfsys file icon: ctfsys filetype icon

The ctfsys file extension is related to Mach, an operating system kernel research project at the Carnegie-Mellon University that started in 1985 and ended on October 1994.

While there is still some work being done at CMU most development and support on the Mach Kernel is done elsewhere.

The default software associated to open ctfsys file:

macOS icon

Apple, Inc. logomacOS  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

macOS is Unix-based desktop operating system, a successor of Mac OS X system for MacBook-family, iMac, Mac Mini and Mac Pro computers, developed and sold by Apple, Inc.

Mac OS X icon

Apple, Inc. logoMac OS X  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

OS X or Mac OS X is Unix-based operating system developed by Apple Inc. for Macintosh computers. It contains basic core applications for everyday use, such as Finder basic file manager, Safari for Internet browsing, QuickTime for video, iTunes for managing audio data and iPod, iOS devices management , iMessage instant messaging, Mail, Contacts, Calendar and many more.

The latest version 10.11 of OS X is called El Capitan. It is available to purchase on Mac App Store as well as is distributed with new Mac computers and notebooks. It includes features to improve the security, performance, design and usability.

OS X operating system was replaced by new macOS in 2016!

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

List of recommended software applications associated to the .ctfsys 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 ctfsys file, edit ctfsys file, convert ctfsys file, view ctfsys file, play ctfsys file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with ctfsys file - OS X Mach Kernel system data

Click on the software link for more information about macOS. macOS uses ctfsys file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Apple macOS / Mac OS X:

Main software associated with ctfsys file by default:
macOS small icon macOS
Mac OS X small icon Mac OS X

Previous file extension
CRP file extension

File-Extensions.org > System file types

Next file extension
file extension CUB


Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed