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Kernel minimizes the frequency of disk access by keeping a pool of internal data buffer which helps to increase the response time, this is known as ?

  • Buffer cache
  • Spooling
  • Pooling
  • Virtual Memory

Answer: Option A

Similar Questions :

1. All the abbreviations in vi editor can be shown by ?

  • all
  • ab
  • ashow
  • atat

Answer: Option B

2. Which command can be used to know the present working directory ?

  • psd
  • pww
  • pwd
  • pdd

Answer: Option C

3. Default permissions of a file can be changed with ?

  • group
  • chperm
  • chmod
  • chall

Answer: Option C

4. If two files on same partition point to the same inode structure they are called ?

  • Soft links
  • Hard links
  • Copy links
  • Similar links

Answer: Option B

5. Which command in vi editor command is used to copy the current line of the file ?

  • ys
  • yc
  • yy
  • yw

Answer: Option C

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