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The Symbolic Stream Generator (or SSG) is a software productivity aid by Unisys for their mainframe computers of the former UNIVAC 1100/2200 series.. SSG is used to generate RUN-Streams (corresponding to IBM's Job Control Language), apply and administer symbolic changes to program sources as a form of version control, and for many other purposes.
OS 2200 is the operating system for the Unisys ClearPath Dorado family of mainframe systems. The operating system kernel of OS 2200 is a lineal descendant of Exec 8 for the UNIVAC 1108 and was previously known as OS 1100.
OS 2200 provides a complete Java environment. [12] Java on OS 2200 has evolved from an interesting additional capability for small servlets and tools to a full environment capable of handling large applications. The Virtual Machine for the Java Platform on ClearPath OS 2200 JProcessor is a Linux port of the Oracle Corporation Java release.
Ownership was later on transferred to Unisys and the product and mainframe computer centre resources transitioned to Unisys ACUS, the "Australian Centre for Unisys Software" in Sydney, Australia. Gil Simpsons Christchurch team went on to create the Jade language/database that could import and run LINC code on commodity hardware.
COBOL 2002 also introduced free-format code. Free-format code can be placed in any column of the file, as in newer programming languages. Comments are specified using *>, which can be placed anywhere and can also be used in fixed-format source code. Continuation lines are not present, and the >>PAGE directive replaces the / indicator. [131]
Many instructions also perform very complex functions such as one that implements a large part of the COBOL EDIT verb. The above figure shows some of the building blocks of the architecture. "Data" and "COMM" are two of the primary examples of software subsystems that live in a protection ring between that of a user application and the Exec.
USAS is software suite for mainframe computers, mainly intended for use in the airline, transportation, and hospitality industries. It is made up of a series of diverse and relatively complex applications written for the Unisys 1100-series, 2200-series, and Clearpath IX environments.
Early mainframe printers were usually line printers. Line printers provide a limited set of commands to control how the paper is advanced when print lines are printed. The application writing reports, list, etc. to be printed has to include those commands in the print data. These single character print commands are called printer control characters