Basics linux command

What is Linux?

LINUX is an open-source operating system (OS). It is based on UNIX. linux is know for security, stability, performance, flexibility, software updates, GUI like command line, networking, installation etc.

There are many different distributions (one type of versions), each with its own unique features and capabilities. That distributions like Ubuntu, CentOs, Red Hat, debian.

Task: What is the linux command to

1 . Check your present working directory.

Before diving into any file or directory operations, it's crucial to know where you are within the Linux file system. To check your present working directory, simply use the pwd command.

pwd

This command will display the full path of the directory you are currently in. It's a handy way to orient yourself within the file system.

2 . List all the files or directories including hidden files.

To list all files and directories in your current location, including hidden ones, you can use the ls command with the -a option.

"ls -a" command is used to list detailed information about files and directories, it shows hidden files and directories also.

3 . Create a nested directory A/B/C/D/E

Creating nested directories in Linux is straightforward. You can use the mkdir command along with the -p option to create a nested directory structure in one go. Let's say you want to create a directory structure like A/B/C/D/E.

mkdir -p A/B/C/D/E "

Using mkdir -p command to ensure that parent directories are created as needed.