The Cygwin DLL currently works with all recent, commercially released x86_64 versions of Windows, starting with Windows 8.1. For more information see the FAQ.

Cygwin consists of a library that implements the POSIX system call API in terms of Windows system calls to enable the running of a large number of application programs equivalent to …

Jan 6, 2022 · What is Cygwin? Cygwin is a collection of open source tools that allows Unix or Linux applications to be compiled and run on a Microsoft Windows operating system (OS) from …

Aug 31, 2025 · Cygwin is a free command line interface that allows you to install Linux software and use Linux commands on Windows without having to install Linux. While Cygwin may be …

Sep 7, 2025 · Cygwin is a software interface with a look and feel of a Unix environment but is run in the Microsoft Windows operating system. Cygwin facilitates integration between Windows …

Cygwin is a Linux-like environment that runs on Windows. Cygwin runs on all 32-bit versions of Windows, that is all versions since Windows 95, with the exception of Windows CE.

Cygwin is a Linux-like environment for Windows. It consists of a DLL (cygwin1.dll), which acts as an emulation layer providing substantial POSIX (Portable Operating System Interface) system …

I read the above but I want to bundle Cygwin with a product, and ship it to customer sites. How can I do this without conflicting with any Cygwin installed by the user?

What is Cygwin? Cygwin is a POSIX-compatible environment that runs on Windows. Essentially, it is a collection of tools that emulate a Unix-like environment, allowing users to run native Linux …

Each package in the Cygwin release has its own version, and the cygwin package containing the Cygwin DLL and Cygwin system specific utilities is just another (but very important!) package.