Linux

Day 1 Assignment

1. Who and when was Linux created?

   Ans: Linux is an open-source operating system (OS). It was created as a hobby by Linus Torvalds in 1991.

2. Read about History of Linux on Wikipedia link. Give five important points that you noticed from the Wiki link.

   Ans: Linux was referred to as a "free UNIX clone"

   Linux and GNU developers worked to integrate GNU components with Linux to make a fully functional and free operating system.

   There was no strict control of the source code by any individual person.

   Linux can be downloaded it is entirely from the internet and completely free.

3. Where all is Linux used as an Operating System?

   Ans: Linux is used as an operating system for web servers, database servers, file servers, mail servers, DNS servers etc.

4. What is Linux Kernel?

   Ans: The Linux kernel is the kernel used by Linux-based operating systems and the interface between the hardware and the computer processes. A kernel is a special program responsible for managing the low-level functions of a computer.

5. What are the most important features of Linux?

   1. Open-source

   2. Free

   3. Customizable

   4. Security

   5. Stability

   6. Performance

   7. Multi-user support

   8. Command-line interface

6. List three popularly used distributions of Linux. List how is each distribution different.

   Ans: UBuntu : it is like macos easy to use

   red hat : to be used commercially

   centos : if you want to use red hat but without its trademark

7. What is Virtualbox. Install Virtualbox on your Local laptop. Provide screenshot of Virtualbox installation. Follow guide here

   

8. Download Ubuntu image and install Ubuntu on the Virtualbox. Provide screenshot of Ubuntu installation. Following installation steps from here.

   

9. List three most commonly seen directories on Linux.

   Ans: /bin binary or executable programs.

   /etc system configuration files.

   /home home directory. It is the default current directory.

10. Briefly describe what does /tmp /mnt and /etc contain on Linux.

    Ans: Used to store the data used by the system and user applications to store the data that are needed for a short period of time

    This is a generic mount point under which you mount your filesystems or systems. Mounting is the process by which you make a filesystem available to the system. After mounting your files will be accessible under the mount-point. The /etc directory is contained in the root directory. It stores storage system configuration files, executables required to boot the system, and some log files.