Running Linux programs on Windows
To run a Linux program on Windows, you have these options:
- Run the program as-is on the Windows Subsystem for Linux (WSL). In WSL your program executes directly on the machine hardware, not in a virtual machine. WSL also enables direct filesystem calls between Windows and Linux systems, removing the need for SSL transport. WSL is designed as a command-line environment and is not recommended for graphics-intensive applications. For more information, see Windows Subsystem for Linux Documentation.
- Run the program as-is in a Linux virtual machine or Docker container, either on your local machine or on Azure. For more information, see Virtual Machines and Docker on Azure.
- Compile the program using gcc or clang in the MinGW or MinGW-w64 environments, which provide a translation layer from Linux to Windows system calls.
- Compile and run the program using gcc or clang in the Cygwin environment, which provides a more complete Linux environment on Windows compared to MinGW or MinGW-w64.
- Manually port your code from Linux and compile for Windows using Microsoft C++ (MSVC). This involves refactoring platform-independent code into separate libraries, and then re-writing the Linux-specific code to use Windows-specific code (for example, Win32 or DirectX APIs). For applications that require high performance graphics, this is probably the best option.
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Program that runs on windows and linux
Is it possible to write a program (make executable) that runs on windows and linux without any interpreters?
Will it be able to take input and print output to console?
A program that runs directly on hardware, pure machine code as this should be possible in theory edit:
Ok, file formats are different, system calls are different
But how hard or is it possible for kernel developers to introduce another executable format called raw for fun and science? Maybe raw program wont be able to report back but it should be able to inflict heavy load on cpu and raise its temperature as evidence of running for example
@basile-starynkevitch this is a theory question for deeper understanding of hardware, operating systems and compilation
2 Answers 2
Is it possible to write a program (make executable) that runs on windows and linux without any interpreters?
in practice, no !
Levine’s book Linkers and loaders explain why it is not possible in practice.
On recent Linux, an executable has the elf(5) format.
On Windows, it has some PE format.
The very first bytes of executables are different. And these two OSes have different system calls. The Linux ones are listed in syscalls(2).
And even on Linux, in practice, an executable is usually dynamically linked and depends on shared objects (and they are different from one distribution to the next one, so it is likely that an executable built for Debian/Testing won’t run on Redhat). You could use the objdump(1), readelf(1), ldd(1) commands to inspect it, and strace(1) with gdb(1) to observe its runtime behavior.
Portability of software is often achieved by publishing it (in source form) with some open source license. The burden of recompilation is then on the shoulders of users.
In practice, real software (in particular those with a graphical user interface) depends on lots of OS specific and computer specific resources (e.g. fonts, screen size, colors) and user preferences.
A possible approach could be to have a small OS specific software base which generate machine code at runtime, like e.g. SBCL or LuaJit does. You could also consider using asmjit. Another approach is to generate opaque or obfuscated C or C++ code at runtime, compile it (with the system compiler), and load it -at runtime- as a plugin. On Linux, use dlopen(3) with dlsym(3).
Pitrat’s book: Artificial Beings, the conscience of a conscious machine describes a software system (some artificial mathematician) which generates all of its C source code (half a million lines). Contact me by email to basile@starynkevitch.net for more.
The Wine emulator allows you to run some (but not all) simple Windows executables on Linux. The WSL layer is rumored to enable you to run some Linux executable on Windows.
PS. Even open source projects like RefPerSys or GCC or Qt may be (and often are) difficult to build.