Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
problem1 what does the exit command do why doesnt it log you out when run in your login shell like this exit 2 the
problem1 what are signals name two ways of generating signals from the keyboard why should we use kill with signal
problem1 what is a zombie and how is it killed2 explain whether the following are true or falsei a script can be made
problem1 which process do you think may have the maximum number of children what is its pid can you divide its children
problem1 explain the significance of this command ps -e wc -l2 explain the attributes of daemon processes using three
problem1 should you run a command like this nohup computesh2 the jobs command displayed the message jobs not found when
problem1 how will you find out the complete command lines of all processes run by user timothy2 run ps with the
problem1 what is the significance of the pid and ppid without using ps how do you find out the pid of your login shell2
problem1 write a program that removes the read write and execute permissions for others for all files in the current
problem1 write a program that moves a group of ordinary files to a directory the filenames are provided as arguments
problem1 write a program to split the contents of a file specified as argument into multiple files so that each file
problem1 write two programs that read etcpasswd usingi a single-character bufferii a buffer of 2048 bytes with read use
problem1 write a program that copies a file using the source and destination as arguments the destination can also be a
problem1 write a program that accepts a directory name as argument changes to that directory and displays its absolute
problem1 write a program that uses a filename as argument and displays its contents in uppercase2 write a program thati
problem1 write a program that ascertains the size of the file descriptor table by opening a file repeatedly display the
problem1 explain the difference between system calls and library functions what happens in the cpu when a system call
problem1 execute the command ls gt newlist what interesting observation can you make from the contents of newlist2 how
problem1 explain why the error message is seen at the terminal in spite of having used the 2gt symbol cat lt foo 2gtbar
problem1 you have a file named and a directory named my documents in the current directory how do you remove them with
problem1 how do you save your entire home directory structure including the hidden files in a separate file2 what is
problem1 when will cd work2 which unix command uses wild cards as part of its syntax3 how do you split a long command
problem1 why does the shell need to expand wild cards how does it treat the when used as an argument to a command like
problem1 explain the distinction between a type x and a reference type refx under what circumstances would you choose
problem1 you made some changes to a read-only file and then found that you cant save the buffer what course of action