Bca-Helps

UNIX ASSIGNMENT-4 Tutorial - 4 Subject : Unix & Shell Programming 1.     write a shell script to copy one file into other, display appropriate message if destination file already exist. 2.     write a shell script to find a file with maximum size in the current directory, also print the no. of words , characters, and lines along with the contents of file. 3.     write a shell script to display date, calender, current directory and list of files using case statement. 4.     write a shell script to change all .a extension file to .b in current directory. 5.     write a shell script to display currently logged in users and not log in users. 6.     write a shell script to display all files of directory without using ls. 7.     write a shell script to display message “good morning” or “good afternoon” or “good evening”, whenever you login. 8.     write a shell script to...