What is a named pipe?
A Pipe used by kernel to access device
A pipe to be used by the user to access device
An abstraction to provide support for inter process communication
A device
To search exactly one word in a given list
[word1, word2, ..]
{word1, word2, ….}
(word1, word2, ….)
word1, word2, ….
It is possible to redirect the output of a process to more than one source
True
False
True but needs root permission
None
The components of unix file system are (Give the proper order)
boot block, super block, inode block, data block
super block, boot block, inode block, data block
boot block, inode block, super block, data block
boot block, super block, data block, inode block
Commands tar & dd
dd allows block sizes to be defined, tar does not allow
tar allow block sizes to be defined while dd does not allow
both tar & dd allow block sizes to be modified
both tar & dd do not allow block sizes to be modified
what does cmp do?
Copies file1 to file2
Compares file1 and file2 and update file1 with file2 whereever differs
Compares file1 and file2 and update file2 with file1 whereever differs
fsck command is
Used to create file systems
Used to create files
Used to create root file system alone
fdisk command is
Used to create harddisk partitions
The option not allowed in test command
-d
-l
-u
-a
The valid conditional operator
-NE
-GT
-LT
-eq