Q. Everything below the system call interface and above the physical hardware is known as ______. 

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Q. Linux operating system uses

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Q. In Unix, how do you check that two given strings a and b are equal?

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Q. The directory structure used in Unix file system is called

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Q. Which statement  is not true about process 0 in the Unix operating system?

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Q. Which or the following commands would return process_id of sleep command?

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Q. What does the following command do ?
grep − vn  "abc" x

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Q. The Unix Kernel maintains two key data structures related to processes, the progress table and the user structure. Which of following information is not the part of user

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Q. A Unix file may be of the type :

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Q. Match the following for Unix system calls:

List – I List – II

(a) exec (i) Creates a new process

(b) brk (ii) Invokes another program overlaying memory space with a copy of an executable file

(c) wait (iii) To increase or decrease the size of data region

(d) fork (iv) A process synchronizes with termination of child process

code:
a b c d

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Q. WOW32 is a :

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Q. The Unix command :

$ vi file1 file2

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Q.  _______ maintains the list of free disk blocks in the Unix file system.

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Q. A part of Windows 2000 operating system that is not portable is

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Q. Match the following with reference to Unix shell scripts : 

List-I                                                     List-II

a. $?                                 i.  File name of the current script

b. $#                                ii.  List of arguments

c. $0                                 iii. The number of arguments

d. $*                                  iv. Exit status of last command

Codes:
a       b       c       d

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Q. The output generated by the LINUX command :
                     $ seq 1 2 10 
will be

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Q. In UNIX, ______________ creates three subdirectories: 'PIS' and two subdirectories 'progs' and data from just created subdirectory 'PIS'.

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Q. Which statement is not correct about “init” process in Unix?

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Q. Unix command to change the case of first three lines of file “shortlist” from lower to upper

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Q. Match the following vi commands in Unix:
List-I                   List-II
a.   :w        i. saves the file and quits
editing mode
b.   :x         ii. escapes unix shell
c.   :q         iii. saves file and remains
in editing mode
d. :sh       iv. quits editing mode and
no changes are saved to
the file

Codes:
     a   b  c  d

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