The newly created directory will be owned by the effective user ID of the
process.
If the directory containing the file has the set-group-ID
-bit set, or if the filesystem is mounted with BSD group semantics
+bit set, or if the file system is mounted with BSD group semantics
.RI ( "mount -o bsdgroups"
or, synonymously
.IR "mount -o grpid" ),
.BR path_resolution (7).)
.TP
.B EDQUOT
-The user's quota of disk blocks or inodes on the filesystem has been
+The user's quota of disk blocks or inodes on the file system has been
exhausted.
.TP
.B EEXIST
is not, in fact, a directory.
.TP
.B EPERM
-The filesystem containing
+The file system containing
.I pathname
does not support the creation of directories.
.TP
.B EROFS
.I pathname
-refers to a file on a read-only filesystem.
+refers to a file on a read-only file system.
.SH CONFORMING TO
SVr4, BSD, POSIX.1-2001.
.\" SVr4 documents additional EIO, EMULTIHOP