Q. In UNIX, which of the following command is used to set the task priority ?

View solution

Q. Which of the following flags are set when ‘JMP’ instruction is executed ?

View solution

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

View solution

Q. Linux operating system uses

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. A Unix file may be of the type :

View solution

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

View solution

Q. WOW32 is a :

View solution

Q. The Unix command :

$ vi file1 file2

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution