7z.exe x archive1.zip -op:\code\bat\test -aoa 7z.exe a archive2.zip FAX\*.* Runtime CD /D [drive:][path] 7z.exe d archive3.zip FAX\TEMP
1. To extract files
2. To compress files
3. Change to directory specified
4. Delete a folder specified from archive
I find that *.7z file is much smaller (around one fifth) than *.zip file.