.pa 1 .he 'UMOUNT (II)'3/15/72'UMOUNT (II)' .ti 0 NAME umount -- dismount file system .sp .ti 0 .nf SYNOPSIS sys umount; special / umount = 22. .fi .sp .ti 0 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. .sp .ti 0 SEE ALSO umount(I), mount(II) .sp .ti 0 DIAGNOSTICS Error bit (c-bit) set if no file system was mounted on the special file. .sp .ti 0 BUGS Use of this call should be restricted to the super-user.