SCH is a task used to display or dymamically alter the Round Robin schedule interval and the Executive Disk Swaping interval. The format of the command line is SCH /SW1.../SWn where the switches are any of /DSP Display the Round Robin and Swaping interval. /RBN:n Set the Round Robin interval to n decimal tics. /RBL:n Set the Round Robin low priority range to n. /RBH:n Set the Round Robin high priority range to n. /SWP:n Set the Swap interval to n decimal tics. /SWL:n Set the lower priority for swapping to n. /MSF:n Set the minimum time (tics) between SHF requests. An error message will result if an attempt is made to set the Swap interval to less than the Round Robin interval.