NAME

umount − dismount file system

SYNOPSIS

(umount = 22.) 
sys  umount; special

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 (II). 

SEE ALSO

umount (VIII), mount (II)

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.