Cygwin is a large collection of GNU and Open Source tools which provide functionality similar to a Linux distribution on Windows and a DLL (cygwin1.dll) which provides substantial POSIX API functionality. 


For all Cygwin-related questions and observations, please check the resources available at this site, such as the FAQ, the User's Guide and the mailing list archives. If you've exhausted these resources then please send email to an appropriate mailing list. This includes observations about web pages, setup questions, questions about where to find things, questions about why things are done a certain way, questions about the color preferences of Cygwin developers, questions about the meaning of the number 42, etc. 

Please send notification of technical problems (bad html, broken links) concerning these web pages to the Cygwin mailing list

OS Supported

Windows 7 and above

Windows Server 2008 and above

Apple MacOS

License Details

This license is an annual subscription purchased by Saint Mary's University

Available to



Personal devices and university-owned devices

How to Get

For Students/Staff/Faculty: Cygwin is available on all lab computers and via

Faculty only: For special requests, please contact EIT Helpdesk at


For more information, visit


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Article ID: 589
Mon 4/12/21 5:24 PM