retagged
1,891 views
1 votes
1 votes

In Unix operating system, special files are used to

  1. buffer data received in its input from where a process reads
  2. provide a mechanism to map physical device to file names
  3. store list of file names plus pointers associated with i-nodes
  4. store information entered by a user application program or utility program
retagged

1 Answer

1 votes
1 votes

Answer B

  • provides a mechanism to map physical device to file names
  • Windows and DOS also have special files.
  • provide simple interfaces between drivers and  peripheral devices such as printers and serial ports

Please refer: https://en.wikipedia.org/wiki/Device_file

Answer:

Related questions

2 votes
2 votes
2 answers
1
go_editor asked Aug 11, 2016
2,213 views
What will be the output of the following Unix command?$\text{\$ rm chap0[1-3]}$Remove file $\text{chap0[1-3]}$Remove file $\text{chap01, chap02, chap03}$Remove file $\tex...
2 votes
2 votes
1 answer
2
go_editor asked Aug 11, 2016
3,451 views
In Unix, the command to enable execution permission for file "mylife" by all is_____Chmod ugo $+$ X mylifeChmod a $+$ X mylifeChmod $+$ X mylifeAll of the above
1 votes
1 votes
1 answer
3
0 votes
0 votes
2 answers
4