OS-2

FileStar/2
OS/2 PM file manager with built in compression, comparison, search, and associations. Shareware from Sierra HyperStar Software.
http://www.filestar.com/pages/filestar.html

FM/2
File Manager/2 is a shareware 32-bit OS/2 Presentation Manager file, directory, and archive manager which can use to manage all file system objects.
http://www.capesoft.com/accessories/fm2sp.htm

Larsen Commander
GUI file manager and command processor that has a look and feel like the classic Norton Commander. Pure GUI but still has a built in command line and a scrollable console monitor. OS/2 shareware.
http://home.online.no/~leifel/lcmd/index.html