Mark Kimes wrote in a message to Joey Mukherjee:

 JM>This is only on an HPFS partition.  I tried it on a FAT partition
 JM>and it said "file not found".

 MK> [D:\] VER

 MK> The Operating System/2 Version is 3.00 

Mine says v2.30.  

 MK> [D:\] DIR NUL

 MK> Directory of \DEV

 MK> NUL              1024   1-15-95   1:29a
 MK>         1 file(s)       1024 bytes used

Try this using 4OS2 on a FAT partition and an HPFS partition.  That's what
was different between us.  It works on the HPFS, but not on the FAT.

JM 
--- timEd/2 1.01