In Unix File System, removing a file in a directory, i.e., rm /dir2/file4, involves the following tasks (Select all answers that apply): 

In Unix File System, the “.” Under every directory is a soft link pointing to the directory file.

A RAID-5 array consists of 7 disks with a 16 KB block size per disk per stripe unit. The array receives a workload of mixed small random writes (4 KB each) and large sequential writes (full-stripe writes). Each disk supports: 100 MB/s sequential throughput 200 random IOPS Assume: RAID-5 uses rotating parity Write operations are synchronous Full-stripe writes avoid read-modify-write Partial-stripe writes use read-modify-write or reconstruct-write as needed Which of the following statements about RAID-5 behavior is/are correct? (Select 1 answer — the best single choice).

In page replacement, Belady’s algorithm, which replaces the page current in the physical memory that will not be used for the longest time, is an offline optimal algorithm.

Assume a computer system has 1GB total physical memory, split evenly between Virtual Memory and File System Buffer cache, i.e., 0.5GB each. The page replacement algorithm uses Enhanced FIFO with second chance, and the buffer cache replacement algorithm uses FIFO. Assume the system has no other process running. What is the total amount of disk I/O that will result from running the following code segment:   // Machine has 1GB RAM, file has 1GB #define LENGTH 1024*1024*1024/4 FileDescriptor fd; float* temp; fd = open(“pathname”, “READ/WRITE”); mmap(fd, offset, temp, LENGTH);   // replacing read() for (i=0, i

In Unix File System, the name of a soft link is stored in its inode.

QUESTION 4- EXECUTE the FUNCTION to PRINT A MESSAGE 4A. using instance #1        check to see if the value used in instance #1 is true or false        if it is true- print “Easy to Adopt!” otherwise print “Hard to Adopt”   4B. using instance #2       check to see if the value used in instance #2 is true or false        if it is true- print “Easy to Adopt!” otherwise print “Hard to Adopt” +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Which of the following antimicrobial prophylaxis guidelines are part of the ERAS protocol standards? (Select 2)

Chronic, progressive and irreversible optic nerve neuropathy with visual field defects describes:

Atrial fibrillation increases risk for: