1. $ ANALYZE/SYSTEM OpenVMS (TM) system analyzer SDA> This command invokes SDA to analyze the running system. 2. On Alpha and I64 systems: $ ANALYZE/SYSTEM/SYMBOL=SDA$READ_DIR:SYS$BASE_IMAGE.EXE SYS$SYSTEM This command invokes SDA to analyze the running system, using the base image in SDA$READ_DIR. 3. On VAX systems: $ ANALYZE/SYSTEM/SYMBOL=SYS$CRASH:SYS.STB SYS$SYSTEM This command invokes SDA to analyze the running system, using the system symbol table at SYS$CRASH:SYS.STB.