mount, umount \- mount or remove file system
.B mount(special, name, rwflag)
announces to the system that a removable file system has
the block-structured special file
from now on, references to file
the root file on the newly mounted file system.
are pointers to null-terminated strings
containing the appropriate path names.
must be a directory (unless the root of the mounted file system
are inaccessible while the file system
argument determines whether
the file system can be written on; if it is 0 writing
is allowed, if non-zero no writing is done.
Physically write-protected and magnetic
tape file systems must be mounted read-only or
errors will occur when access times are updated,
explicit write is attempted.
announces to the system that the
file is no longer to contain a removable file system.
The associated file reverts to its ordinary interpretation.
returns 0 if the action occurred; \-1 if
is inaccessible or not an appropriate file; if
there are already too many
returns 0 if the action occurred; \-1 if
if the special file is inaccessible or
does not have a mounted file system,
or if there are active files in the mounted
If a file containing holes
is read, even on a file system mounted read-only,
the system will attempt to fill in the holes
by writing on the device.
.B sys mount; special; name; rwflag