quiz #3

1.) What are the major activities of OS with regards process management.

OS is responsible for the ff activities in connection with process management.

1. process creation and deletion
2. process suspension and resumption
3. provision of mechanism for:

• process management
• process communication
• deadlock handling (not responding)

2.)What are the major activities of OS with regards main memory.

Some of the activities in connection with memory managemnt that are handled by the OS.

• keep track of w/c parts of the memory are currently beingused and by whom.
• decide with processes to load when memory space becomes available.
• allocate and deallocate memory space as needed

3.)What are the major activities of OS with regards with secondary storage memory.

The OS is responsible for hee ff activities in connection with disk management.

• free space management
• storage allocation
• disk scheduling

4.)What are the major activities of OS with regards with file management.

OS is resposible for the ff activities in connections with file management

• file creation and deletion
• directory creation and deletion
• suppuorts of premitives for manipulating files and directories
• mapping files unto secondary storage
• file back-up on stable (nonvolatile) storage media

5.)What is the purpose of the command interpreter.

Command interpreter serves as the interface between the user and OS

• user friendly mouse based windows environment in the macintosh and in the microsoft windows
• in MS-DOS and UNIX commands are type on the keyboard and displayed on a screen or printing termminal with the enter or return key indicating that a command is complete and ready to be executed.

Many commands are given to the OS by control statements w/c deal w/:

• process creation and management
• i/o handling
• secondary strage management
• main memory management
• file system access
• protection
• networking