21E9 INT 21 P - OS/286, OS/386 - CHANGE SEGMENTS
21E9 INT 21 - DoubleDOS - SET TIMESHARING PRIORITY
21E900 INT 21 - Novell NetWare - DIRECTORY SERVICES - GET DIRECTORY HANDLE
21E900 INT 21 - VIRUS - "Dark End" - INSTALLATION CHECK
21E905 INT 21 - Novell NetWare shell 3.01 - MAP A FAKE ROOT DIRECTORY
21E906 INT 21 - Novell NetWare shell 3.01 - DELETE FAKE ROOT DIRECTORY
21E907 INT 21 - Novell NetWare shell 3.01 - GET RELATIVE DRIVE DEPTH
21E908BL00 INT 21 - Novell NetWare shell 3.01 - SET SHOW DOTS
21E909 INT 21 - Novell NetWare - NetWare shell - CONVERT DOS FILE HANDLE TO NETWARE