I/O Device Guide
- About I/O Devices
- Device Management Utilities
- Default Devices
- Identifying Devices
- Defining Devices
- Accessing Devices
- Defining Default Mnemonic Spaces
- I/O Devices and Commands
- Overview of I/O Commands
- Specifying I/O Devices
- Allowing Users to Specify a Device
- Specifying Devices in I/O Commands
- Processes and Devices
- Application Development I/O Commands
- Device Special Variables
- Controlling Devices with Mnemonic Spaces
- Terminal I/O
- Overview of Terminal I/O Capabilities
- Special Variables Show I/O Conditions
- OPEN and USE Commands
- READ Command
- WRITE Command
- CLOSE Command
- Predefined Mnemonic Spaces for Terminals
- PRINT and ZPRINT Commands
- Programming Your Terminal
- Local Interprocess Communication
- TCP Client/Server Communication
- TCP Connections Overview
- OPEN Command for TCP Devices
- Current TCP Device
- USE Command for TCP Devices
- READ Command for TCP Devices
- WRITE Command for TCP Devices
- Connection Management
- Concatenation of Records
- Multiplexing InterSystems IRIS TCP Devices
- Closing the Connection
- UDP Client/Server Communication
- Sequential File I/O
- Spool Device
- Opening and Using the Spool Device
- Spooling and Special Variables
- Closing the Spool Device
- Viewing the ^SPOOL Global
- Opening the Spooler Using the %IS Utility
- Managing Spooled Documents Using %SPOOL
- Printers