UNIX/Linux Programming Answers

WAP to read last 5 characters from a file using system calls.

Write a program to simulate deadlock in the system which involves
3 threads and 3 resources.

Write a program to create a thread that calculates the average
marks of a student.The result is passed back to the main process
for printing.(c or c++)

write a script which keeps track of the first and last user who used the system every wednesday. the entries should be saved in a file named “wed.txt” under two columns “user_name” and “time_in”. when the total number of entries in this file reach 50 find out the user withthe maximum number of entries.

How might you use the “find” command to produce a long listing of every “.zip” file in the current directory and all of its subdirectories?

What single flag to “cat”is equivalent to the flags “-v”, “-E” and “-T” all together, and what does this single flag do?

What single flag to “cat”is equivalent to the flags “-v”, “-E” and “-T” all together, and what does this single flag do?

Outline three ways that you could stop a runaway Linux process.

Which of the fundamental mathematical operations (+, −, ×,/) cannot be carried out directly by any of the ARM instructions in the list?

What Linux command that makes the “Change” time of a file later than its “Modify” time (hint: the“stat”command shows both times)?