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Question:
(a) Red Hat Linux is distributed under the Open Source agreement. Explain what you understand by Open Source distribution system.
(b) Write a short note on the Linux File Systems.
(c) Write down a short note to distinguish between the two types of users in Red Hat Linux.
(d) Write a shell script to create a simple menu and carry out the actions associated with it.
1. Show the date and time 2. Invoke Nautilus for the current directory 3. Start the OpenOffice.org writer 4. Open the Konqueror web browser 5. Exit.
Write a short note about schedulers. Processes migrate between the various scheduling queues throughout its life time. The operating system should select for scheduling purpose
What is Single-level Directory All files are constrained in the similar directory, which is simple to support and understood. One limitation is when the number of files enhance
how to differentiate scheduling algorithms?
What is the information associated with an open file? Various pieces of information are associated with an open file which may be: File pointer Disk location of th
What is reference string We evaluate an algorithm by running it on a definite string of memory reference and computing the number of page faults. The string of memory reference
what is it all about? why do we need? what are the types of backup? how is it done in unix?
Linked allocation With linked allocation, every file is a linked list of disk blocks; the disk blocks might be scattered anywhere on the disk. The directory has a pointer to th
What components of the R/e system initiate the start of background jobs at the specified time? The batch scheduler initiates the begin of background job. The dispatcher then s
Q. Distinguish among PCS and SCS scheduling. Answer: PCS scheduling is completed local to the process. It is how a thread library schedules threads onto available LWPs. SCS sch
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
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