which can be proved to occur after a
.BR write ()
has returned returns the new data.
-Note that not all filesystems are POSIX conforming.
+Note that not all file systems are POSIX conforming.
.SH RETURN VALUE
On success, the number of bytes written is returned (zero indicates
nothing was written).
.BR connect (2).
.TP
.B EDQUOT
-The user's quota of disk blocks on the filesystem containing the file
+The user's quota of disk blocks on the file system containing the file
referred to by
.I fd
has been exhausted.