How This Chapter Is Organized

This chapter begins with an overview of how devices are used by z/VM®. Following the overview are sections that tell you how to control channel paths and each type of local device:

• Channel Paths and Programs
• Dynamic Switching Devices
• Displays, 3270 Printers, and Communication Lines
• SNA/CCS Terminals
• Direct Access Storage Devices (DASDs)
• Tape Drives
• Channel-to-Channel Adapters (CTCAs)
• Printers

As part of the sections on printers, this chapter also describes how to manage spool files. When you need information about a spool file in a printer or reader queue, see the appropriate section:

• Controlling Spool Files in the Print Queue
• Controlling Spool Files in the Reader Queue