.I cc \-lrt
to link against the real-time library,
.IR librt .
-.SS Accessing shared memory objects via the file system
+.SS Accessing shared memory objects via the filesystem
On Linux, shared memory objects are created in a
.RI ( tmpfs )
-virtual file system, normally mounted under
+virtual filesystem, normally mounted under
.IR /dev/shm .
Since kernel 2.6.19, Linux supports the use of access control lists (ACLs)
-to control the permissions of objects in the virtual file system.
+to control the permissions of objects in the virtual filesystem.
.SH CONFORMING TO
POSIX.1-2001.
.SH NOTES
.BR shm_open (3),
.BR shm_unlink (3),
.BR sem_overview (7)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.