Day 1: Mastering The Linux Basic Commands Part 1

Adrian Rubico

|

Aug 3, 2024

•

11:32 PM GMT+8

In the Linux environment, engineers and developers frequently rely on the terminal. This guide presents essential commands for Linux users to navigate and manage their systems confidently. This blog post introduces critical Linux commands, providing a foundational guide for beginners to navigate, manage, and troubleshoot their Linux systems effectively.

Navigating the File System

  1. pwd command
    print name of current/working directory.
bash 
pwd
  1. ls command
    list directory contents. Use ls -lrth for detailed information, or ls -lah to include hidden files.
bash 
ls -lrth
ls -lah
  1. cd command
    Changes the current directory. Use cd .. to move up one level, or cd ~ to navigate to your home directory.
bash 
cd NEW_FOLDER_01
cd ..
cd ~

File and Directory Management

  1. mkdir command (Make Directory)
    Changes a new directory.
bash 
mkdir NEW_FOLDER_02
mkdir NEW_FOLDER_03 NEW_FOLDER_04
  1. touch command
    Creates a new, empty file.
bash 
touch new_file_01.txt
touch new_file_02.txt new_file_03.txt
  1. cp command (Copy)
    Copies files or directories. Use cp -r to copy directories recursively.
bash 
cp source_file destination_file
cp -r source_directory destination_directory
  1. mv command (Move)
    Moves or renames files and directories.
bash 
mv old_name.txt new_name.txt
mv file.txt /path/to/destination/
  1. rm command (Remove)
    Deletes files. Use rm -r to delete directories and their contents.
bash 
rm file.txt
rm -r directory_name

Viewing and Editing Files

  1. cat command (Concatenate)
    Displays the contents of a file.
bash 
cat file.txt
  1. less and more command
    View the contents of a file one page at a time. Use q to exit. For more techniques with this command, this blog is worth to read ioflood.com.
bash 
less file.txt
more file.txt
  1. nano, vi, vim command
    Text editors for creating and editing files directly in the terminal.
bash 
nano file.txt
vi file.txt
vim file.txt

Looking Forward to Part 2

Mastering the basic Linux commands is the first step in becoming proficient with the Linux operating system. The commands covered here include navigating the file system, managing files and directories, and viewing or editing files. These are foundational skills that every Linux user should know. In the next blog post, we will explore more advanced Linux commands and concepts.

Stay tuned for Part 2, where we'll continue to explore the powerful tools that Linux offers.

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#90DaysDevOpsChallenge linux

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