The Open Group Base Specifications Issue 7
IEEE Std 1003.1, 2013 Edition
Copyright © 2001-2013 The IEEE and The Open Group

### Register to Read the Specification

The Open Group is pleased, in association with the IEEE, to announce availability of the core volumes of Version 4 of the Single UNIX Specification on the World Wide Web. These volumes are also IEEE Std 1003.1 and ISO/IEC 9945. We request that you register your details so we can keep track of the numbers of those interested in our online publications.

Register here

Thankyou for registering.

UNIX ® is a registered Trademark of The Open Group.
POSIX ® is a registered Trademark of The IEEE.