ANNA UNIVERSITY PRACTICAL EXAMINATIONS (MAY – JUNE
2010)
GE2155 – Computer Practice Lab-IISet – I
1. a. Write and execute the following UNIX commands
(i)
Create a file.
student@kcet:~$
cat > file1
Hai!
How are u?
Welcome
to Kcet.
(ii)
Display only the first two characters of all the lines
from a file.
student@kcet:~$ cut -c1,2 file1
Ha
We
(iii)
Convert the lower case to uppercase.
echo
muthu | tr [:lower:] [:upper:]
MUTHU
(iv)
Combine two strings.
student@kcet:~$ var= “Vinu”
student@kcet:~$ set $var
student@kcet:~$ var1="Kannan"
student@kcet:~$ set $var1
student@kcet:~$ echo $var $var1
Vinu Kannan
(v)Display the file contents in
descending order.
student@kcet:~$ sort -r
file1
Welcome to Kcet.
Hai! How are u?
b. Write a Shell program to check the given
number is even or odd
c. Write a C program using
dynamic memory allocation to sort ‘n’ numbers in ascending order.
2. a. Write and execute the following UNIX commands
(i) Create two files with the name of
name.txt, which contain only names, and reg.txt withthe content of register
number respectively.
(ii) Combine the two files in the
form of register number followed by name
(iii) Sort the two files in ascending
order
(iv)Count the number of lines in the files
(iv)Count the number of lines in the files
(v) Rename the two files.
b. Write a Shell program to check
and display 10 leap years
c. Write a C program using dynamic
memory allocation to sort ‘n’ numbers in descending order.
3. a. Write and execute the following UNIX commands
(i) Create two files.
(ii) Combine the two files.
(iii) Search a specific word from any
one of the file.
(iv)Search a specific file from a directory.
(v) Display the common and distinct
line of contents from a file.
b. Write a Shell program to find
the area PI* r2 and circumference of a circle 2*PI*r .
c. Write a C program using
dynamic memory allocation to sort ‘n’ names in ascending order.
4. a. Write and execute the following UNIX commands
(i) Create two
files.
(ii) Display the contents of both the
files.
(iii)Count the number of characters in
both the files.
(iv) Rename the two files.
(v)Combine the two files without
duplicate.
b. Write a Shell program to check the given number and its reverse are same.
b. Write a Shell program to check the given number and its reverse are same.
c. Write a C program using dynamic
memory allocation to sort ‘n’ names in descending order.
5. a. Write and execute the
following UNIX commands
(i) To view all the files and directories page by
page
(ii) To view only the directories page by page.
(iii) To view only the files in a directory.
(iv) Display the working directory.
(v) Display the complete path of the working
directory.
b. Write a Shell program to check
the given string is palindrome or not.
c. Write a C program using dynamic
memory allocation to add two matrices.
6. a. Write and execute the following UNIX commands
(i) Display the calendar.
(ii) Execute more than one command at a time
(using semi-colon;)
(iii) Display the user’s full details. Ex finger
cmd
(iv) Display the user-id / Group-id. Ex id cmd
(v) Execute more than one command at a time (using
logical-AND&&).
b.
Write a Shell program to find the sum of odd and even numbers from a set of
numbers.
c. Write a C program using
dynamic memory allocation to subtract two matrices.
7. a. Write and execute the following UNIX commands
(i)Demonstrate pipe command
(ii)Demonstrate tee command : read from
standard input and write to standard output and files
student@kcet:~$ cat file1 | tee file2
Hai! How are u?
Welcome to Kcet.
student@kcet:~$ cat file2
Hai! How are u?
Welcome to Kcet.
(iii)Use more than one command at a
time (who and date)
(iv)Create a file called create.txt
(v)Move the file create.txt to move.txt
b. Write a Shell program to find
the roots of a quadratic equation
c. Write a C program using
dynamic memory allocation to transpose a given matrix
8. a. Write and execute the following UNIX commands
(i)Create a file
(ii)Print the specified number of lines
of a file from start to end of the file.
(iii)Display the file content with line
number
(iv)Update the file content with I/O redirection
(v)Rename the file
b. Write a Shell program to
check the given integer is Armstrong number or not
c. Write a C program using
dynamic memory allocation to copy one matrix to another matrix
9. a. Write and execute the following UNIX commands
(i)Create a directory
(ii)Create a file
(iii)Rename the directory
(iv)Rename the file
(v)View the file
b. Write a Shell program to check
the given integer is prime or not
c. Write a C program using
dynamic memory allocation to perform multiplication of two matrices
10. a. Write and execute the
following UNIX commands
(i) Create a file
(ii) Update the file
(iii) Display the file content
(iv) Display the file with line number
(v) Count the number of words in the file
b. Write a Shell program
to generate prime numbers between 1 and 50
c. Write a C program using
dynamic memory allocation to find the sum of elements of a matrix
11. a. Write and execute the following UNIX commands
(i) Create a Directory called main
(ii)Create a sub-directory called sub
in the main directory
(iii)reate a file in the main directory
(iv)Copy the file to the sub directory
(v) Delete the file in the main
directory
b. Write a Shell program to find
the sum of square of individual digits of a number
c. Write a C program using dynamic
memory allocation to develop a mark sheet of 5 students.
12. a. Write and
execute the following UNIX commands
(i)Display the calendar
(i)Display the calendar
(ii)Display the date and time
(iii) Display the present working
directory
(iv)Display your user name
(v)Create a file using cat command
b. Write a Shell program to find
the sum of cube of individual digits of a number
c. Write a C program using
dynamic memory allocation to develop salary details of 5 employees
13. a. Write and execute the following UNIX commands
(i)Use finger command
(ii)Use grep command
(iii)Use diff command
(iv) Use uniq command
(v)Use cmp command
b. Write a Shell program to
execute various UNIX commands using case statements
c. Write a C program using
dynamic memory allocation to find the minimum and maximum of aset of numbers.
14. a. Write and execute the following UNIX commands
(i) Create a directory
(ii) View all directories from a user
(iii) Rename a directory
(iv) View all the directories starting with a
specific character.
(v) View only the hidden directories
b. Write a Shell program to count
the number of vowels in a line of text – array
c. Write a C program to find the
sum of ‘n’ numbers using function.
15. a. Write and execute the
following UNIX commands
(i) Create a file
(ii) View only files from a directory
(iii) Rename a file
(iv) View all files starting with a specific
character
(v) View all the files which has a
specific extension
b. Write a Shell program to
display student grades
c. Write a C program using
pointers to allocate a memory for the string “University” and reallocatethe
memory for the string to “University Examinations”
16. a. Write and execute the following UNIX commands
(i) Create a directory with the name of
Exam
(ii) Change the Exam directory as the
working directory
(iii) Create a file called exam.txt in
the Exam directory
(iv) View the content of the exam.txt file
(v) Rename the file exam.txt to
test.txt
b. Write a Shell program to find
the smallest number from a set of numbers
-- array
c. Write a C program using pointers
to combine two array elements without duplicate
17. a. Write and execute the following UNIX commands
(i) To check the working directory
(ii) Change the password
(iii) To display today’s date
(iv) To display the calendar of this month
(iv) To display the calendar of this month
(v)To display a message “University
Exam” using a special character
b. Write a Shell program to find
the smallest digit from a number
c. Write a program to perform file copy operation
c. Write a program to perform file copy operation
18. a. Write and execute the following UNIX commands
(i) Create two directories called
CS1101 and CS1102
(ii) Create a file called cs1101.txt in
the CS1101 directory
(iii) Copy the file cs1101.txt from
CS1101 to CS1102
(iv) Update the file content of cs1101.txt in the
CS1102 directory
(v) Rename the file in the CS1102 with
cs1102.txt
b. Write a Shell program to find
the sum of all numbers between 50 and 100, which are divisible by3 and not
divisible by 5
c. Write a program to create two files and perform merge operation on it
19. a. Write and execute the following UNIX commands
(i) Create a file
(ii) Rename a file
(iii) Change the mode of the file
to read only
(iv) View the content of a file
(v) Count the number of words in a file
b. Write a Shell program to find the sum of digits of a number until a
single digit is obtained.
c. Write a C program using dynamic memory allocation to copy one matrix to
another matrix
20. a. Write and execute the following UNIX commands
(i) Count the specific number of lines
from a file start from the beginning of the file
(ii) To destroy a specific file from a
user directory
(iii) Send a greeting message to other
user
(iv) Execute a shell program
(v) To display current time
b. Write a Shell program to find
the second highest number from a set of numbers
c. Write a C program using
dynamic memory allocation to develop salary details of 5 employees
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