The control language (CL) is the set of all commands
with which a user requests system functions. This information describes the
basic concepts of CL that you need to understand before you use the commands.
System operation control
The control language (CL), menu options, and
system messages control the operation of the system.
CL commands
A control language (CL) command is a single statement
to request a system function.
CL programs and procedures
CL programs and procedures are created from source statements that
consist entirely of CL commands.
CL parameters
A parameter is a value that is passed to a command
or program to provide user input or control the actions of the command or
program.
Control language elements
Control language (CL) contains elements such
as character sets and values, expressions, built-in functions, and naming
within commands.
i5/OS objects
An i5/OS® object is a named unit that exists (occupies
space) in storage, and on which operations are performed by the operating
system. i5/OS objects provide
the means through which all data processing information is stored and processed
by the i5/OS operating
system.