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- Exercise Exercise 3: Add a new command call 'I' which will perform exact same as 'Is -a'. • Exercise 4: Create a function call sortFile, which will sort all filenames of current directory. F5 30 tv F6 8 JA & 89Write a program that removes *~ and *.ico files from a directory hierarchy. (Hint: Use the File::Find module.)● Exercise Exercise 3: Add a new command call 'I' which will perform exact same as 'Is -a'. ● • Exercise 4: Create a function call sortFile, which will sort all filenames of current directory.
- UNIX ASSIGNMENT - IXQuestion 9 : In an organisation one wants to know how many programmers are there. The employee data is stored in a file called ‘personnel’ with one record per employee. Every record has field for designation. How can grep be used for this purpose?1.What is the primary goal in using a scripting language for programming work? 1.Write a shell program that counts the number of files in a given directory. Thedirectory should be specified as a command line argument. The program doesnot need to count files recursively in subdirectories; instead, it should not count subdirectories at all.Task1: Create a directory say, "Linux user" and it contains three files (e.g.; A, B, C). Change the directory permission first for "user", “group", “others", “all" then change the permission of files residing in the same folder/directory.
- Write a C program to remove an empty directory In this program it is required toread the name of the empty directory and Then need to remove the given empty directory using the system () function.The standard library function int fseek(FILE *fp, long offset, int origin) is identical to lseek except that fp is a file pointer instead of a file descriptor and return value is an int status, not a position. Write fseek. Make sure that your fseek coordinates properly with the buffering done for the other functions of the library.UNIX please be thorough with each a,b, and c a.Create a directory called dir1. b.Create 10 files in dir1 in whatever way you would like, and fill them with at least a few lines of text. Record how you did this here. c.Then, write a bsub command line that will submit a job for each file in dir1 to the express queue that simply “cats” the file. The output file (stdout) for each job should be the <filename>.out That is, the first job should execute the command: cat file1 and the output should be in file: file1.out
- The opendir() function opens a directory stream corresponding to the directory name, and returns a pointer to the directory stream. The stream is positioned at the first entry in the directory. Why does the openir() function not fetch fd as return value even though it is a system call?Write a program that prompts the user for a path and displays the directory structureon the command tool as follows:You are given a file called “std” and composed of “Number, Name, Address” fields. Write an algorithm that makes “insert, delete, update and retrieve”, processes on the records in the file. The “Number” field is the key of each record. it should look like the one in the picture.