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

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Glossary
abort A procedure that terminates a program or session if an irrecoverable error, mistake,
or malfunction occurs.
access The process of obtaining data from files or acquiring the use of a device. Access
implies an input/output (I/O) operation, and is used as a synonym for I/O.
access port (AP) The port located in the channel I/O (CIO) section of the system card
cage that provides a user support interface for issuing hard and soft resets through
software commands from the console. It allows a remote console to be enabled and to
switch between console and session modes.
account A collection of users and groups. Each account has a unique name on the system.
It is the method used to organize a system's users and files and to allocate use of system
resources such as central processor time, online connect time, and file space. Accounts are
the principal billing entity for the use of these resources. Every user must specify an
account to access the system.
account level security The types of file access assigned by the system manager to the
account when it is created. The types of access are READ, LOCK, APPEND, WRITE, and
EXECUTE, abbreviated R, L, A, W, and X respectively. They may be assigned to any user
(ANY), members of the account only (AC), or members of the group only (GU). The types of
file access permitted are the first level of system security. The account manager may
further restrict groups and users within an account by assigning them a limited set of file
access modes.
account librarian capability (AL capability) A capability assigned by the account
manager to a user within the account. An account librarian is allowed special file access
modes to maintain specified files within the account.
account manager capability (AM capability) A capability assigned by the system
manager to one user within each account who is then responsible for establishing users
and groups.
account member A person who has been granted access to the system through the use of
a valid user name within an account. Account members are created by the account
manager, who defines the user name and assigns the appropriate capabilities and security
restrictions for the user.
account structure The method of providing organization, security, and billing for the
system. It is used to allocate use of system resources such as central processor time, online
connect time, and file space. The account is the principal billing entity for the use of system
resources.
alpha character A character in the range of A through Z (or a through z).
alphanumeric character A character in the range of A through Z, a through z, or 0
through 9.