Unix Lab Programs

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• Write a program to count the number of characters in a given string.
• Write a program to find whether the given year is leap year or not?
• Write a program to check whether a given number is even or odd.
• Write a program to find factorial of a given number.
• Write a program to print a string in the reverse order.
• Write a program to count the number of vowels in a given string.
• Write a program to print all prime numbers between m and n(m<n).
• Write a program to check whether a given string is palindrome or not.
• Write a shell Script to assign a file permission to the given file using
• To compresses a file using gzip and pack commands.
•  write a menu driven shell script to implement the following UNIX commands.
• To find a given pattern in  a list of files of current directory using grep and fgrep commands.
• Write a shell script to create two directories and store five files in one directory using the related commands and to transfer all the files to another directory.
• write a shell script to accept a file name as input and display whether it exits or not. If it exists, then give the details of its attributes like access permission ,its size etc.