Tip for squeezing exe and sys files

Post your suggestions here if there are new features or applications that you would like added to the Ultimate Boot CD.

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vaceituno
Posts: 5
Joined: Mon Apr 18, 2005 6:02 am

Tip for squeezing exe and sys files

#1 Post by vaceituno » Tue Apr 19, 2005 12:07 am

I assume some people use the 2.88 option to add custom images to the UBCD.

Many DOS programs are not compressed, or compressed with unefficient EXE compressors.

I normally use UNP.EXE by Ben Castricum to decompress them and WWPACK to compress EXE files.

COM files can sometimes be compressed converting them into EXE files first with BIN2EXE, then WWPACK them

SYS drivers can be compressed sometimes using PKLITE

Sometimes the compression breaks the program, you have to check for problems after compression. LZEXE is good too.

I hope to save someone some bytes with this tip :)

(WWPACK 3.05 gives me grief, I use an earlier version)

Scott Cooper
Posts: 136
Joined: Mon Apr 18, 2005 9:07 pm

#2 Post by Scott Cooper » Wed Apr 20, 2005 9:49 pm

I'd rather upgrade the image size than do that, but it's an intresting way to do it.

vaceituno
Posts: 5
Joined: Mon Apr 18, 2005 6:02 am

#3 Post by vaceituno » Wed Apr 20, 2005 11:39 pm

Well, it can come handy when you are off by a few bytes, or you want to be able to dump the image on a floppy for some reason.

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