This book supports users of various operating environments. Where it provides information that does not apply to all supported environments, the following symbols are used to identify that information:
Windows. Information specific to the Microsoft Windows 2000, Windows Server 2003 (32-bit), Windows XP, and Windows Vista environment is identified by Windows symbol.
UNIX and Linux. Information specific to UNIX and Linux environments is identified by this symbol, which applies to all UNIX and Linux environments supported. UNIX is a registered trademark of The Open Group in the US and other countries.
z/OS. Information specific to z/OS and OS/390 environments is identified by the characters z/OS.