V1/man/man2/mount.2

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        11/3/71                                             SYS MOUNT (II)


NAME              mount -- mount file system

SYNOPSIS          sys mount; special; name / mount = 21.; not in assembler

DESCRIPTION       mount announces to the system that a removable file system has been
                  mounted on special file special; from now on, references to file name
                  will refer to the root file on the newly mounted file system. Special
                  and name are pointers to null--terminated strings containing the
                  appropriate path names.

                  Name must exist already. If it had useful contents, they are
                  inaccessible while the file system is mounted.

                  Almost always, name should be a directory so that an entire file
                  system, not just one file, may exist on the removable device.

FILES

SEE ALSO          umount

DIAGNOSTICS       Error bit (c--bit) set if special is inaccessible or dir does not
                  exist.

BUGS              At most one removable device can be mounted at a time. The use of
                  this call should be restricted to the super--user.

OWNER             ken, dmr