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

## 4. Utilities

This chapter contains the definitions of the utilities, as follows:

- Mandatory utilities that are present on every conformant system

- Optional utilities that are present only on systems supporting the associated option; see Codes for information on the options in this volume of POSIX.1-2008

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