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7-Zip 4.30 beta

Posted on Friday, November 18 2005 @ 22:27:20 CET by LSDsmurf

  • Files 7zFMn.exe, 7zGn.exe, 7-zipn, 7za.exe, 7zC.sfx were removed from 7-zip package
  • 7-Zip now uses uncompressed SFX: 7z.sfx
  • Sfx modules 7z.sfx and 7zCon.sfx now use msvcrt.dll
  • Speed optimizations in LZMA maximum/ultra compressing.
  • LZMA now supports word size up to 273
  • 7-Zip now reduces dictionary size for LZMA, if you compress files smaller than specified dictionary size.
  • 7-Zip now can use large memory pages:
    • GUI: 7-Zip File Manager / Options / Settings / Use large memory pages.
    • Command line version: -slp switch.
      This feature allows to increase speed of compressing. But 7-Zip can make some pause at starting of compressing for allocating large pages. Also Task Manager doesn't show real memory usage of program, if 7-Zip uses large pages. This feature works only on Windows 2003 / XP x64 / Vista. Also you must have administrator's rights for your system. Recommended size of RAM: 1 GB or more. To install this feature you must run 7-Zip File Manager at least once, close it and reboot system.
  • Some bugs were fixed

Program Information

Tools and Utilities

4.30 beta
Works on:

Product page: here

Download: 7-Zip 4.30 beta


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