Linux Things you Need to Know

The video provides an in-depth look at Linux, covering its history, the Linux kernel, and its importance for developers. It explains the boot process, system calls, and the role of GNU. The video also covers shell basics, file management, permissions, and process management. It concludes with an overview of different Linux distributions and their unique features.

What is the primary reason programmers need to learn Linux?

• It's the most popular desktop OS.

• Linux is used in most server environments.

• Linux has the best graphical interface.

• Linux is the easiest OS to learn.

Who developed the Linux kernel and in which year?

• Steve Jobs in 1985

• Dennis Ritchie in 1970

• Linus Torvalds in 1991

• Richard Stallman in 1983

What is the role of the Linux kernel?

• It is a web browser.

• It is a text editor.

• It manages hardware and software interactions.

• It is a graphical user interface.

What does the GNU project provide for Linux?

• A graphical interface

• A file system

• Core utilities that make the kernel useful

• A web browser

Which command is used to create a new file in Linux?

• touch

• echo

• rm

• ls

What is the purpose of the 'chmod' command?

• To list directory contents

• To remove files

• To create directories

• To change file permissions

What does the 'su' command do in Linux?

• Creates a new user

• Deletes a user

• Lists all users

• Switches to the root user

What is the significance of the PATH variable in Linux?

• It sets the desktop background.

• It defines where to find executable binaries.

• It stores user passwords.

• It lists all installed software.

Which command is used to view running processes interactively?

• nano

• htop

• grep

• ls

What is a Linux distribution?

• A type of file system

• A complete OS built on the Linux kernel

• A programming language

• A web server