System Startup, Configuration, and Shutdown Reference Manual (32650-90892)

265
user files. It is generated with the SYSGEN utility. Equivalent to the MPE V/E coldload tape.
system logging The facility that records details of system resource requests in a series of
log files on disk. The system manager or operator can select which system events to record
such as job or session initiation or termination, program termination, file closing, file
spooling completion, and system shutdown. I/O device failures are recorded in the system
log and are used to detect problems before they interfere with overall system operation.
system manager The person who manages the computer installation, is responsible for
creating accounts, and assigns capabilities and resource limits.
system manager capability (SM capability) A capability assigned to the user name
and account to which the person designated as system manager logs on. The system
manager is responsible for the structure, security, and overall operation of the system by
establishing accounts and assigning capabilities and resource-use limits to each. The
system manager assigns account manager and system supervisor capabilities to specific
users.
system processor unit (SPU) The box in which all the processor boards and cards
reside.
system startup A method of loading the MPE operating system from either disk or tape
by bringing a subset of the MPE initiator program into memory.
system supervisor capability (OP capability) A capability assigned by the system
manager to the system supervisor's user name and account. The system supervisor is
responsible for performing backups, altering the system configuration, and in general,
tuning the computer so that it continues to perform well and meet the needs of users.
system volume An MPE/iX system volume set. It contains a bootable system image and
system configuration on its master volume. It is the only volume needed to load and start
the system. It is always mounted and named MPEXL_SYSTEM_VOLUME_SET.
temporary file A file that exists only for the duration of a session or job.
terminal A hardware device connected to a computer and used for entering and receiving
data. A terminal consists of a keyboard and a display screen.
terminal type Hewlett-Packard's classification for terminal models and their capabilities.
throughput A measurement of a computer system's speed and productivity.
transaction A logical unit of work.
transaction logging A method of tracking each unit of work to facilitate recovery from
the abnormal end of transaction processing and system failures. A transaction log file is
automatically generated and maintained by the transaction management facility. Files can
be restored to a consistent state by copying the contents of the log file into the data file.
transient space Disk space used for temporary processes such as stacks and operating