.th UMOUNT II 8/5/73 .sh NAME umount \*- dismount file system .sh SYNOPSIS (umount = 22.) .br .ft B sys umount; special .ft R .sh DESCRIPTION .it Umount announces to the system that special file .it special is no longer to contain a removable file system. The file associated with the special file reverts to its ordinary interpretation (see .it mount ). .s3 .sh "SEE ALSO" umount(I), mount(II) .sh DIAGNOSTICS Error bit (c-bit) set if no file system was mounted on the special file or if there are still active files on the mounted file system.