CHAPTER 2 EXPLORING THE UNIX/LINUX FILE SYSTEMS AND FILE SECURITY Create a file called samp1e1. View the files present in the current directory in the long listing format. By default the permissions for a file will be rw-rw-r--, change the permissions of the sample1 file to rwxr--r-x, using the rwx notation. View the files present in the current directory in the long listing format. Create a second file called sample2. By default the permissions for a file will be rw-rw-r--, change the permissions of the sample2 file to rwxr-x--x, using 421 method. View the files present in the current directory in the long listing format. STEP BY STEP PLEASE!! ALSO SHOW SCREENSHOTS PLEASE!

Create a bash script to manage users. The script will take three script arguments: an input filename of users, a group name, and an operation flag. The input filename of users to manage will be a text file with a list of users to add to the system or remove from the system. Each line in the file will contain a User ID and an encrypted password, which are separated by a space character as a delimiter. Your input user file should have at least five users. You will need to encrypt your passwords via the command line using openssl and place the generated password in your input user file. Write a script that adds and removes users to a Linux system using the input file provided to the script. The users should be added to group provided in the script argument. You will want to check if the group already exists. Use an operation of -a to signify to add the users to the system and an operation of -r to signify removing the users from the system. When adding users, make sure you create the…

You are given a String variable named file. It contains the name of a one-line file. Write a sequence of statements that make an exact copy of the file and give it the same name but with the string ".cpy" attached to the filename. Make sure that the data written to the file has been flushed from its buffer and that any system resources used during the course of running these statements have been released.(Do not concern yourself with any possible exceptions here-- assume they are handled elsewhere.)

Select all true statements Hard links are a type of file that names another file/directory path Multiple hard links can point to the same l-Node Soft links are a type of file that names another file/directory path O Hard links point to l-Nodes Soft links can be used to subvert user permissions Multiple soft links can point to the same l-Node O Soft links point to l-Nodes