11/3/71 SYS UMOUNT (II)
NAME umount -- dismount file system
SYNOPSIS sys umount; special / umount = 22.; not in assembler
DESCRIPTION umount announces to the system that special file
special is no longer to contain a removable file
system. The file associated with the special
file reverts to its ordinary interpretation (see
mount).
The user must take care that all activity on the
file system has ceased.
FILES --
SEE ALSO mount
DIAGNOSTICS Error bit (c-bit) set if no file system was
mounted on the special file.
BUGS Use of this call should be restricted to the
super-user.
OWNER ken, dmr