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  • License: Freeware
  • Last update: 7 years ago
  • Total downloads: 143
  • Price: Free |
  • Operating system: WinXP, WinNT 4.x, WinNT 3.x, WinME, Win2003, Win2000, Win Vista, Win98, Win95, Window2008, Windows 7
  • Publisher: Gammadyne Corporation (23 other programs)
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windows default iconDOS Utilities PECHKSUM.EXE Publisher's description

PECHKSUM.EXE reports or updates the checksum of a Portable Executable (PE) file, which includes Windows executables and DLL's.

Gammadyne Corporation offers the following DOS command line programs which you may download and use freely.


* These programs run on all versions of Windows since 95.
* You may distribute these programs as long as they are not modified or sold. If you would like to package them with a commercial program, please contact us.
* These programs do not have a graphical user interface. They are meant to run from a command line (DOS prompt), batch file, or shortcut. You should keep your command line programs in a directory on your hard drive, preferably one in the PATH. For Windows 95/98/ME, we recommend "c:windowscommand". For Windows NT4/2000/XP/2003/Vista/2008/7 we recommend "c:windowssystem32".
* These programs are checked for viruses before being uploaded. We do value our reputation!
* Please send comments on these programs here.
* All programs are written by Greg Wittmeyer.


PECHKSUM.EXE reports or updates the checksum of a Portable Executable (PE) file, which includes Windows executables and DLL's.


PECHKSUM [/nologo] [/q] [/r] filespec

/nologo Don't display the program banner.
/q Quiet mode - suppress all output.
/r Report existing checksum only - do not update checksum.


pechksum c:workfoo.exe

Sample Output:

PEChkSum 1.0 - Portable Executable Checksum Utility
Copyright (C) 2009 by Greg Wittmeyer - All Rights Reserved

C:workfoo.exe : OK
Old checksum: 0 (0x00000000)
New checksum: 1881027 (0x001CB3C3)


* The file specification can utilize the asterisk and question mark wildcards. Multiple files can be specified by separating them with a semi-colon.
* The %ErrorLevel% environment variable will contain 0 on success, 1-99 for parameter error, or 100 for failure.

System Requirements:

No special requirements.
Program Release Status:
Program Install Support: Install and Uninstall

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