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Task 1 description: Design and implement the disableuser.sh script.
Required script functionality:
Example results:
1. whoami -> student1
2. disableuser.sh -m user1 'You have been terminated'
3. su user1 -> 'You have been terminated'
4. whoami -> student1
Your disableuser.sh script will have to:
1. Generate the special login script that incorporates the quoted message
2. Configure user account to use the special login script
Task 2 description: Design and implement the removeuser.sh script.
Long term scheduler calculates which processes are admitted to the machine for processing. It accepts the degree of multiprogramming. Once accepted, a job converts a process.
8(5-3)-20=
Under what circumstances would a user be better off using a time-sharing system, rather than a personal computer or single-user workstation? When there are some other users, th
Question: (a) The following table (table 1.0) gives the length of the CPU burst time in milliseconds of processes P 1 to P 4 . Assume the processes arrived in the order P 1 ,
Major page fault: If the page is not loaded in memory at the time the fault is stated, then it is named major or hard page fault. The handler in the machine requires to search a
USER-LEVEL THREADS (ULT) In this level the kernel isn't aware of the existence of threads -- All thread management is complete by the application by using a thread library. Th
Deadlocks can be detected while the program is running, by running cycle detection algorithms on the graph that de?nes the current use of resources. De?ne this graph as follows:
Advantages and disadvantages of time-sharing operating system
what is file?explain the file access methods?
Now, let us discuss two related algorithms for deciding which pages to evict. The clock algorithm is one of the most popular choices. It works by keeping frames in a circular struc
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