Norton Commander (1986) 40 Utility OS2

Norton Commander is a MS-DOS based file shell that was widely popular due to it's two column design. You could easily copy and move files between one folder or another, execute DOS commands and more. It competed against many other file managers including Gazelle Q-DOS and Xtree

• 1.x (OS2)

Quark Catalyst (1985) 0 Utility Other

Quark Catalyst is an Apple II utility that enabled moving applications, including copy protected applications, from 5.25" floppy disks to 3.5" floppy disks or hard disks, and provides launcher menu shell. As of version 3.0 the user interface was revamped to mimic the appearance of the Macintosh Finder. To appease software publishers, the Quark Catalyst software itself is copy protected.

• 3.0