1. Unix os cannot run on which of the following Microprocessor

A. 8086 
B. 8038 
C. 8045 
D. Pentium 

2. Command to create 5 empty files empty1,empty2,empty3,empty4,empty5

A. touch empty1,empty2,empty3,empty4,empty5 
B. cat empty1,empty2,empty3,empty4,empty5 
C. Both 
D. None of above 

3. Size of block in Unix file system is

A. 512 bytes 
B. 1024 bytes 
C. 2048 bytes 
D. Any of above 

4. Which of the following is a popular terminal emulation software

A. VTERM 
B. VT100 
C. Perl 
D. COMIT 

5. The state of file system is contained in

A. Boot block 
B. A special block created by boot block 
C. super block 
D. None of above 

6. To logout from your terminal you

A. Switch off the terminal 
B. Press ctrl -d or type exit 
C. press ctrl-Alt-Del 
D. do nothing it is the system administrator who would do this for you 

7. The difference between the commands ps -e and ps -a is

A. ps -e gives detail of every process running in memory whereas ps -a gives output for all the process that you have launched. 
B. ps -e gives details of every process running in memory whereas ps -a gives details of all user processes 
C. No difference,both give same output 
D. None of the above. 

8. Which commands in vi would you use to perform Block copy

A. :m co p 
B. :m,n co p 
C. both of above 
D. none of these 

9. Comand to modification time of a file to mid night of 01/01/1996

A. touch 0101000096 filename 
B. touch 01010096 filename 
C. touch 0101001996 filename 
D. touch 11000096 filename 

10. A null variable a can be created using

A. a= 
B. a=` ` 
C. a=“ “ 
D. All of above 

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