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Cygwin provides Posix, not Linux. As one of the (increasingly rare) people who likes Unix but does not like Linux, I appreciate the difference. Also, after the exciting adventure of trying SFU back in the day, I'm not super amped about WSL.
Apr 21, 2009 · Cygwin is a compatibility layer that makes it easy to port simple Unix-based applications to Windows, by emulating many of the basic interfaces that Unix-based operating systems provide, such as pipes, Unix-style file and directory access, and so on as documented by the POSIX standards.
Cygwin is a POSIX compatibility library for Windows, a toolchain (compiler, linker, assembler, debugger, etc.) built around that library, and a distribution of a wide array of compiled binary packages. It aims for Linux compatibility at the source level, but not the binary level.
Cygwin supports POSIX symbolic links, representing them as plain-text files with the system attribute set. Cygwin 1.5 represented them as Windows Explorer shortcuts, but this was changed for reasons of performance and POSIX correctness.
The network support in Cygwin is supposed to provide the POSIX API, not the Winsock API. There are differences between the semantics of functions with the same name under the API. E.g., the POSIX select system call can wait on a standard file handles and handles to sockets. The select call in Winsock can only wait on sockets.
Sep 24, 2018 · Cygwin is a POSIX compatibility layer that runs on top of the Win32 subsystem. It has approximately nothing to do with Linux; it can broadly be treated as "just another Unix-like" where porting programs requires recompilation and possibly source modification, and anything that requires non-POSIX Linux-specific features probably won't work.
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Is Cygwin POSIX compliant?
What is Cygwin & how does it work?
Does Cygwin have a POSIX layer?
Is Cygwin compatible with Linux?
What are the advantages of using Cygwin?
Is Cygwin a native Win32 application?
Jan 17, 2023 · Cygwin is a Unix-like environment and command-line interface for Microsoft Windows. Its core is the cygwin1.dll library which provides POSIX functionality on top of the Win32 API. It can be...
