| 释义 |
Execute Channel Program
Execute Channel Program (operating system)(EXCP) An IBM system for low-level fileaccess, where the programmer is completely responsible forproviding a list of device-specific "channel comands" to beexecuted by I/O channels, control units and/or devices.The operating system will simply check the "CCW" chainsfor security purposes (access invalid memory or outside offile extents) and then schedule them for execution.AcronymsSeeEXCP |