Commodore PC Ms-Dos 3.2 User's Manual page 377

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Sharing violation reading drive x:
[MS-DOS]
^-v ■ This is a device error. See Appendix D, "Disk and Device
' Errors."
SORT: Incorrect DOS version
f^\ [Sort]
■ Sort does not run on MSdos versions before 2.0.
^-^ SORT: Insufficient disk space
\ ' [Sort]
■ The disk is full.
f^\ SORT: Insufficient memory
[Sort]
■ There is not enough memory to run the Sort program.
' Source and target drives are the same
[Backup][Restore]
/0m^ ■ You specified the same drive for the source and target disks.
Source disk is Non-removable
[Backup]
f^ ■ This is an informational message indicating that the source
disk is a hard disk.
/MN Source does not contain backup files
f ) [Restore]
■ You are attempting to restore files from a disk that does not
contain backup files.
Source is a floppy (or hard) disk
[Restore]
/—^ ■ This is an informational message only.
Source path required
[Replace]
Is ■ You did not specify a source path for the Replace command
Specified drive does not exist,
/^ or is non-removable
■ [Diskcomp][Diskcopy]
■ You cannot compare or copy hard disks with this command
^-^ You must specify the name of a valid floppy drive.