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Write a note about Directory structure with examples.
The FreeBSD directory hierarchy is basic to obtaining an overall understanding of the system. The most significant concept to grasp is that of the root directory, "/" and this directory is the first one mounted at boot time and it contains the base system necessary to prepare the operating system for multi-user operation. The root directory as well contains mount points for every other file system that you may want to mount.
A mount point is a directory where an additional file system is able to be grafted onto the root file system. Standard mount points comprise /usr, /var, /tmp, /mnt, and /cdrom. These directories are typically referenced to entries in the file /etc/fstab. /etc/fstab is a table of various file systems and mount points for reference by the system. The majority of the file systems in /etc/fstab are mounted automatically at boot time unless they contain the noauto option.
File System Interface and Implementation The Nachos file system, as distributed, uses a single-level index allocation method for data allocation of files. In the current design,
Problem: Managing Outside Communication. a. What is the principal action we use when communicating through a web browser? b. Give an example of how to preaddress an email
What is Data Warehouse?
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what is the use of valid invalid bits in paging
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What is dispatch latency? The time taken by the dispatcher to stop one process and begin another running is known as dispatch latency.
Describe the differences between foreground and background processing. What advantage does background processing provide? 1. Background processes typically run with little or no
Assignment What I'm covering: General control flow fork() execlp() Parameters Makefiles Additional Questions General Control Flow/fork(
Q. Describe why SSTF scheduling tends to favour middle cylinders over the innermost and outermost cylinders. Answer: The middle of the disk is the location having the smalles
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