III B.Tech II Semester Examinations,December-January, 2011-2012 UNIX PROGRAMMING Common to Information Technology, Computer Science And Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. (a) Write the signature of msgctl system call. Explain the purpose of system call.
2. (a) What is piping? Explain with examples?
ld .
(b) Explain the function which is used to create a pipe. Give example program. [8+8]
(b) What is the difference between redirection and piping? Explain with examples. [8+8]
(b) Write about zombie process.
or
3. (a) What is process control explain briefly.
[16]
4. Give the syntax for ‘awk’. Discuss about the selection criteria in awk. How to embed action in to this command. Explain with examples. [16]
uW
5. Write about different Unix locking techniques.
[16]
6. (a) What are the differences between shell scripts and unix C programs? (b) Write a shell script to simulate ‘head’ command. (c) Write a C program to simulate ‘head’ command. 7. Write a C program which uses chmod, chown system calls.
[6+5+5] [16]
nt
8. (a) What are the two main disadvantages of the hard link? (b) What is the difference between ls - lu and ls - lut? (c) “A file has three links”. substantiate.
Aj
(d) How to remove a linked file?
[4+4+4+4]
?????
1
Code No: R05320503
R05
Set No. 4
in
III B.Tech II Semester Examinations,December-January, 2011-2012 UNIX PROGRAMMING Common to Information Technology, Computer Science And Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? 1. Give the syntax for ‘awk’. Discuss about the selection criteria in awk. How to embed action in to this command. Explain with examples. [16]
3. Write about different Unix locking techniques.
[16]
ld .
2. Write a C program which uses chmod, chown system calls.
[16]
4. (a) What are the two main disadvantages of the hard link? (b) What is the difference between ls - lu and ls - lut? (d) How to remove a linked file?
or
(c) “A file has three links”. substantiate.
[4+4+4+4]
5. (a) Write the signature of msgctl system call. Explain the purpose of system call.
uW
(b) Explain the function which is used to create a pipe. Give example program. [8+8] 6. (a) What are the differences between shell scripts and unix C programs?
(b) Write a shell script to simulate ‘head’ command. (c) Write a C program to simulate ‘head’ command.
[6+5+5]
7. (a) What is piping? Explain with examples?
nt
(b) What is the difference between redirection and piping? Explain with examples. [8+8]
8. (a) What is process control explain briefly.
Aj
(b) Write about zombie process.
[16]
?????
2
Code No: R05320503
R05
Set No. 1
1. Write about different Unix locking techniques.
in
III B.Tech II Semester Examinations,December-January, 2011-2012 UNIX PROGRAMMING Common to Information Technology, Computer Science And Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ????? [16]
ld .
2. (a) What are the two main disadvantages of the hard link?
(b) What is the difference between ls - lu and ls - lut? (c) “A file has three links”. substantiate. (d) How to remove a linked file?
[4+4+4+4]
3. (a) What are the differences between shell scripts and unix C programs?
or
(b) Write a shell script to simulate ‘head’ command. (c) Write a C program to simulate ‘head’ command.
[6+5+5]
4. (a) What is piping? Explain with examples?
uW
(b) What is the difference between redirection and piping? Explain with examples. [8+8] 5. (a) Write the signature of msgctl system call. Explain the purpose of system call.
(b) Explain the function which is used to create a pipe. Give example program. [8+8] 6. Give the syntax for ‘awk’. Discuss about the selection criteria in awk. How to embed action in to this command. Explain with examples. [16]
nt
7. Write a C program which uses chmod, chown system calls.
[16]
8. (a) What is process control explain briefly.
Aj
(b) Write about zombie process.
[16]
?????
3
Code No: R05320503
R05
Set No. 3
1. (a) What are the two main disadvantages of the hard link? (c) “A file has three links”. substantiate.
(d) How to remove a linked file?
ld .
(b) What is the difference between ls - lu and ls - lut?
in
III B.Tech II Semester Examinations,December-January, 2011-2012 UNIX PROGRAMMING Common to Information Technology, Computer Science And Engineering Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ?????
[4+4+4+4]
2. Write about different Unix locking techniques.
[16]
or
3. Give the syntax for ‘awk’. Discuss about the selection criteria in awk. How to embed action in to this command. Explain with examples. [16]
4. (a) Write the signature of msgctl system call. Explain the purpose of system call. (b) Explain the function which is used to create a pipe. Give example program. [8+8]
uW
5. Write a C program which uses chmod, chown system calls.
[16]
6. (a) What is piping? Explain with examples?
(b) What is the difference between redirection and piping? Explain with examples. [8+8] 7. (a) What is process control explain briefly.
nt
(b) Write about zombie process.
[16]
8. (a) What are the differences between shell scripts and unix C programs? (b) Write a shell script to simulate ‘head’ command.
4. Give the syntax for 'awk'. Discuss about the selection criteria in awk. How to · embed action in to this command. Explain with examples. [16] · 5. Write about different Unix locking techniques. [16] · 6. (a) What are the differences between shell scripts and unix C programs? (b) Write a shell script to simulate 'head' command.
[16] · 4. What are channel,circuit and half circuit in the context of satellite telemetry sys- .... 3. Describe the conditions for total internal reflection within a fibre. [16].
(b) Describe a DC Servo Motor with a neat sketch. [8+8] · 4. (a) What is a timing belt? Discuss the use of Timing belts in power transmission? (b) Discuss various ...
(b) Consider any two networks of your choice which support Circuit switching or ... (b) Which is more efficient, circuit switching or packet switching? Why?
(a) What is the difference between logical I/O and device I/O? (b) Explain feed back scheduling policy. [8+8] · 2. (a) How can logical address space be ...
kerosene, and fuel oil must be limited as also shown in this table. There are no ... equipment is a function of x, the size (horsepower ) of the motor, namely.
(b) What is meant by displacement function? (c) Give the importance of Pascal Triangle. [4+6+6] · 3. Determine the displacements at nodes and the stresses in ...
The horizontal distance between u/s face and center line of drain holes is 8 m. ... (c) Cut-off trench ... Bed width of parent channel U/S / D/S = 45 m/40 m. [16].
Also draw the relevant circuit diagram. (b) Draw the resistive model of a CMOS inverter and explain its behavior for. LOW and HIGH outputs. [8+8]. 8. (a) It is necessary to identify the position of mechanical disk, when rotates with a step of 450. Gi
of Rs. 1,500 would be deposited in this fund under an ordinary annuity plan. All · money in the fund can be .... (b) Discounted cash flow · (c) Net present worth ... would last for 10 years. A worn-out storage tank of capacity equivalent to the new.
R05. Set No. 2. III B.Tech I Semester Examinations,May 2011 · WEB TECHNOLOGIES · Information Technology ... that describes your college. The paragraph ...
(b) What is the necessity of heat treatment after carburizing? Explain. On what ... (b) What is the difference in heat treatment between 18% Ni and the 25% Nickel.
is subjected to a load of 200 kN, find the stresses developed in the two materials. ... Compare the values of max. and minimum hoop stresses for a cast steel ...
The cores of two identical transformers A and B carry alternating fluxes whose instantaneous values are (0.01 sin 314t)W and 0.012 (1.1 sin 628t+0.1 sin 1884t).
(a) Explain live node, E-node and dead node with an example. (b) Explain the method of reduction to solve TSP problem using Branch and · Bound. [8+8] · 3. (a) Prove that Prim's algorithm finds a minimum spanning tree. (b) Explain the single source sh
at 0.8 p.f. lagging and 15A at 0.6 p.f. lagging respectively, both expressed ... (b) A single-phase motor takes a current of 10 amps at a p.f. of 0.707 lagging.
If the tensile stress is not to exceed 17MPa, find the safe. u.d.l. which the beam can carry. Also find maximum compressive stress. Draw the sketch showing the ...
