.exe: Difference between revisions
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| extended_to = [[New Executable]], [[Portable Executable]], [[Linear Executable]],W3, W4, DL, MP, P2, P3, etc. |
| extended_to = [[New Executable]], [[Portable Executable]], [[Linear Executable]],W3, W4, DL, MP, P2, P3, etc. |
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Revision as of 17:12, 19 May 2022
 | |
| Filename extension |
.exe |
|---|---|
| Internet media type | application/vnd.microsoft.portable-executable |
| Magic number | 0x4d 0x5a |
| Developed by | Microsoft |
| Type of format | Executable (Binary machine code) |
| Container for | The main execution point of a computer program |
| Contained by | Microsoft Windows |
| Extended to | New Executable, Portable Executable, Linear Executable,W3, W4, DL, MP, P2, P3, etc. |
| Open format? | No |
.exe is a common filename extension denoting an executable file (the main execution point of a computer program) for Microsoft Windows.[1]
File formats
There are numerous file formats which may be used by a file with a .exe extension:
DOS
- 16-bit DOS MZ executable
- The original DOS executable file format. These formats can be identified by the letters "MZ" at the beginning of the file in ASCII. All later formats have an MZ DOS stub header.[citation needed]
- 16-bit New Executable
- Introduced with the multitasking MS-DOS 4.0 and also used by 16-bit OS/2 and Windows, NE can be identified by the "NE" in ASCII.
OS/2
- 32-bit Linear Executable
- Introduced with OS/2 2.0, these can be identified by the "LX" in ASCII. These can only be run by OS/2 2.0 and higher.[2] They are also used by some DOS extenders.
- Mixed 16/32-bit Linear Executable
- Introduced with OS/2 2.0, these can be identified by the "LE" in ASCII. This format is used for VxD drivers under Windows 3.x, OS/2, and Windows 9x; it is also used by some DOS extenders.[citation needed]
Windows
When a 16-bit or 32-bit Windows executable is run by Windows, execution starts at either the NE or the PE, and ignores the MZ code known as DOS stub.[3][4] Started in DOS the stub typically displays a message "This program cannot be run in DOS mode" (or similar) before exiting cleanly, this thereby constituting a minimal form of fat binary. A few dual-mode programs (MZ-NE or MZ-PE) such as regedit[5] and older WinZIP self extractors include a more functional DOS section.[6]
- 32-bit Portable Executable
- Introduced with Windows NT, these can be identified by the "PE" in ASCII (although not at the beginning; these files also begin with "MZ").[7]
- 64-bit Portable Executable (PE32+)
- Introduced by 64-bit versions of Windows, this is a PE file with wider fields. In most cases, code can be written to simply work as either a 32 or 64-bit PE file.[8]
IExpress
IExpress is a Windows program that makes self-extracting .exe files. It uses self-extraction directive (.sed) files to extract files, optionally running an installation command. It supports package titles, confirmation prompts, license agreements, and post-install commands using an .inf file.[9]
Other
Besides these, there are also many custom EXE formats, including but not limited to W3 (a collection of LE files, only used in WIN386.EXE), W4 (a compressed collection of LE files, only used in VMM32.VXD), DL, MP, P2, P3 (last three used by Phar Lap extenders).[10]
See also
- Comparison of executable file formats
- Executable compression
- List of file formats § Object code, executable files, shared and dynamically linked libraries
- CMD file (CP/M)
- Windows Installer files (msi)
References
- ^ ".EXE File Extension". FileInfo - The File Extensions Database. Sharpened Productions. Retrieved 2019-08-16.
- ^ "OS/2 Operating System". operating system documentation project. 2004-04-03. Retrieved 2014-02-13.
- ^ "/STUB (MS-DOS Stub File Name) Linux/Mac cannot run an exe file". MSDN. Microsoft. Retrieved 2014-01-10.
- ^ Sedory, Daniel B. (2004-10-12). "DOS Stub Program". The Starman's Realm. Self-published. Retrieved 2014-01-10.[self-published source]
- ^ "Using Registry Editor in Real Mode". Support. Microsoft. 2006-11-15. Archived from the original on 2014-01-15. Retrieved 2014-01-10.
- ^ Ellermann, Frank (2014-01-22). "dostub.exe". Purl.net. Retrieved 2014-01-24.
- ^ "PE Format". Windows Dev Center. Microsoft. 2019-08-25.
- ^ Pietrek, Matt (February 2002). "An In-Depth Look into the Win32 Portable Executable File Format". MSDN Magazine. Microsoft.
- ^ "IExpress Wizard". www.mdgx.com. Retrieved 2021-12-25.
- ^ Brown, Ralf (2000-07-16). "Int 21/AH=4Bh". Ralf Brown's Interrupt List. Retrieved 2018-10-30.
Further reading
- Paul, Matthias R. (2002-10-07) [2000]. "Re: Run a COM file". Newsgroup: alt.msdos.programmer. Archived from the original on 2017-09-03. Retrieved 2017-09-03. [1]