Executable compression
From Just Solve the File Format Problem
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'''Executable compression''' takes an [[Executables|executable]] file, and makes it smaller. This is generally done by compressing the file and bundling it with a small decompression routine, which decompresses the file, in memory, every time it is executed. | '''Executable compression''' takes an [[Executables|executable]] file, and makes it smaller. This is generally done by compressing the file and bundling it with a small decompression routine, which decompresses the file, in memory, every time it is executed. | ||
| − | It is usually possible to identify a particular kind of compressed executable as such, and decompress it to its original form. Another possibility is to let the program decompress itself, then try to capture it in memory. However, some developers used various tricks to try to make these things difficult. | + | It is usually possible to identify a particular kind of compressed executable as such, and decompress it to its original form. Another possibility is to let the program decompress itself, then try to capture it in memory. However, some developers have used various tricks to try to make these things difficult. |
== List of formats == | == List of formats == | ||
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* SCRNCH | * SCRNCH | ||
* SHRINK | * SHRINK | ||
| − | * TINYPROG | + | * [[TINYPROG]] |
* [[UPX]] | * [[UPX]] | ||
* WWPACK (Piotr Warezak and Rafal Wierzbicki) | * WWPACK (Piotr Warezak and Rafal Wierzbicki) | ||
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== Software == | == Software == | ||
* [{{CdTextfilesURL|pdos9606/ARCHIVER/EXECOMP/}}] - A collection of some compression and decompression utilities for DOS | * [{{CdTextfilesURL|pdos9606/ARCHIVER/EXECOMP/}}] - A collection of some compression and decompression utilities for DOS | ||
| + | |||
| + | == See also == | ||
| + | * [[Archiving#Self-extracting archives]] | ||
== Links == | == Links == | ||
Revision as of 20:58, 15 September 2019
Executable compression takes an executable file, and makes it smaller. This is generally done by compressing the file and bundling it with a small decompression routine, which decompresses the file, in memory, every time it is executed.
It is usually possible to identify a particular kind of compressed executable as such, and decompress it to its original form. Another possibility is to let the program decompress itself, then try to capture it in memory. However, some developers have used various tricks to try to make these things difficult.
Contents |
List of formats
- AXE (System Enhancement Associates)
- COMPACK (Prominence Computer Services)
- DIET
- ICE (Keith P. Graham)
- EXEPACK (Microsoft)
- LEXEM
- LGLZ (George Lyapko)
- LZEXE
- PGMPak (Todor Todorov)
- PKLITE
- PROPACKER (Rob Northern Computing)
- SCRNCH
- SHRINK
- TINYPROG
- UPX
- WWPACK (Piotr Warezak and Rafal Wierzbicki)
- XPACK (JauMing Tseng)
Software
- [1] - A collection of some compression and decompression utilities for DOS
