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File structure Certain files must conform to a needed structure that is understood by the operating system. The operating system may consist that an executable file has a parti
why we say " OS is a resource allocator" and “OS is a control program"?
Explain what ISAM is. Indexed sequential access method. The file is stored in sorted order. ISAM has a master index file, indicating in what part of another index file the key
What are the five major activities of an operating system in regard to file management? The creation and deletion of files The creation and deletion of directories The s
draw a state diagram showing the transissions of a process from creation to termination
Construct a process tree similar to Figure 1. Look up the Linux command pstree -p and describe what it does. Then type in the command the capture the output.
Essential Properties of Operating System 1. Batch: Jobs with similar needs are batched together and run through the computer as a group by an operator or automatic job sequen
shell script that accepts two directory names as arguments and delete those file in the second directory that are identical to the file in the first
What are the advantages of Contiguous allocation? The advantages are a. Supports direct access b. Supports sequential access c. Number of disk seeks is minimal.
Explain fixed partitioning. Partitioning are the simpler techniques that don't involve virtual memory. Partitioning has been used in numerous variations in operating systems.
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