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pageable link pack area (PLPA)

An element of MVS/ESA virtual storage. This area contains supervisor call routines, access methods, and other read-only system programs along with read-only reenterable user programs selected by an installation to be shared among users of the system. Optional functions or devices selected by an installation during system generation add additional modules to the PLPA.

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What are the Examples of mainframe operating system?

Mainframe operating systems are used to process large amounts of information for businesses and organizations. Examples include IBM OS/360, ICL 1900 Series, and HP-UX.


What is the difference between midrange mainframe and normal PC?

The pourpose: the mainframe is for processing large amounts of data, PC is for satisfy a human's various needs, like DVD-playing, word-processing, web-browsing.


What is the difference between mainframe Operating system and PC Operating system?

The basic difference is that @ mainframe platform u can run more than one OS at a time on same machine but this feature not available at PC OS. Mainframe OS are targeted to handle hundreds of users at a time whereas PC OS is targeted for a single user. The only major difference is that a mainframe operating system will probably need to service many users at the same time, whereas a PC operating system normally only has to worry about one user at a time. There are some differences between personal computer OS and mainframe OS, one of them a mainframe OS can be used by many users at the same time so it must need to service for many users. However a personal computer operating system designed for one user normally.second of them a mainframe OS is more powerful and expensive than PC OS. Mainframe OS designed to huge process from many users and it means, it manages lots of I/O for many users, but in PC OS there is just one user to log in it means, it does not manages lots of I/O for one user. Mainframe OS offers three kinds of service batch, transaction processing and timesharing. Personal computer OS used for some basic processing like word processing, spreadsheets and Internet access that PC OS is supports multiprogramming.


What are the different types of mainframe systems?

what are some different types of mainframes


A set of patches applied to system releases like mainframe operating systems updates is an example of model?

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