DOS Undocumented Submitted by: jeansy Some "hidden" features": ATTRIB , Same as ATTRIB -A -H -R *.* Quick way to change attributes of a dir. COMMAND.COM /F Always assume (F)ail on floppy drive errors. DIR , Shows all files, hidden and system too! FDISK /MBR Write -only- a new master boot record. TRUENAMEShows path, ignoring SUBST, ASSIGN,... VER /R Show DOS revision number and status. FORMAT /AUTOTEST Format a floppy, no questions asked.