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How to Use the CD Command to Change Directories in Linux Like a Pro

Linux is a reliable operating system widely used for virtual private servers (VPS) and Elite Dedicated Servers. One of the mandatory skills for successfully navigating Linux is understanding the cd command, which stands for “change directory.” The command lets users navigate the directory structure from one to the next, making it a crucial interaction element within the OS. This article will provide a thorough overview of the cd command and cover its syntax, use, and various alternatives, with examples and suggestions.

Change a Directory Using CD Command in Linux

Linux Filesystem Explained

Before exploring the cd command, it’s essential to understand the sequential structure of the Linux filesystem. Linux organizes files in a tree-like structure, with the root directory (/) at the top. Here are some critical components of the Linux filesystem:

Important Directories

  • Root Directory (/): The highest level of the filesystem.
  • Home Directory (/home/username): Each user has a home directory where personal files and configurations are stored.
  • System Directories:
    • /bin: Important command binaries.
    • /etc: Configuration files of the system.
    • /usr: User programs and utilities.
    • /var: Variable files such as logs and databases.

Navigating the FileSystem using SSH on Linux Server

In Linux, the user’s home directory is the default working directory when opening an SSH connection. The home directory is the starting point for navigating to other directories using the cd command.

The cd Command: Syntax and Usage

The basic syntax of the cd command is as shown below:

cd [directory]
Dir command to list content or and cd command to change directory

Where [directory] is the path to the directory you want to switch to.

Types of Paths

Absolute Path: This is the complete path from the root directory. For example:

cd /home/username/Documents
cd command to change the path of the directory using absolute path

Relative Path: This path is relative to your current directory, so you don’t need to type the full directory path starting from the root. For example, if you are currently ‘/home/username‘, To get to the ‘Documents‘ folder, use:

cd Documents
cd command to change the directory using relative path

Special Directory Symbols

The cd command recognizes several special directory symbols that can simplify navigation:

(Parent Directory): Moves up one level in the directory tree. For example, if you are in /home/username/Documents, running the below command will take you to /home/username.

cd ..
cd command to move to the parent directory

(Current Directory): Represents the current directory. Although users rarely use it with cd, it can be helpful in scripts or specific commands.

(Previous Directory): Switches back to the last directory you were in. For example, if you were in /home/username/Documents and then changed to /var/log, running the below command will take you back to /home/username/Documents.

cd -
cd command to change directory and cd command to move to the previous directory

Practical Examples

Let’s see some practical examples of using the cd command in the terminal on your Linux Servers:

Example 1: Changing to a Specific Directory in Linux 

To change to a directory called Projects within your Documents, you would use:

cd ~/Documents/Projects
cd command to change from home directory to a specific directory

Here, ~ denotes your home directory.

Example 2: Moving Up One Directory

If you are in a sub-directory and want to return to its parent directory, you can use

cd ..
cd command to move up one directory

Example 3: Navigating to Multiple Directories

You can do directory changes in one command. For example, to go directly from your home directory to a nested directory:

cd ~/Documents/Projects/2024
execute multiple cd command or you can chain multiple directories in on cd command

Example 4: Using Relative Paths

If you are in /home/username/Documents, and you want to move to the Downloads directory, you could type:

cd ../Downloads
cd command to move to the parent directory and then to the directory named downloads using chaining

This command moves you up one level and then into the Downloads directory.

Best Practices for Using the cd Command

1. Tab Completion

The Linux terminal has tab completion that will save you time and eliminate mistakes. Begin typing the directory name and hitting the Tab key; the system will automatically complete if your directory’s name matches. Pressing the Tab twice will reveal the available options if multiple matches exist.

2. Checking Your Current Directory

Use the pwd command to print your current working directory. This command helps you verify your location in the filesystem:

pwd
pwd command to check the current directory

3. Listing Directory Contents

Before changing directories, you can use the ls command to list the contents of the current directory. Doing so helps you identify which directories are available for navigation:

ls

You can also use ls -l for a detailed listing, showing permissions, ownership, and size:

ls -l
ls and ls-l command to list the contents of a directory

4. Using Quotes for Spaces

If a directory name contains spaces, you must use quotes or escape the space with a backslash. For example, to navigate to a directory named My Projects, use:

cd "My Projects"

or

cd My\ Projects
using cd my projects and cd my/projects command

5. Navigating with Shortcuts

  • cd ~: Quickly change to your home directory.
  • cd /: Change to the root directory.
shortcut cs command to move to home directory and shortcut cd command to move to root directory

6. Using the pushd and popd Commands

For advanced navigation, you can use pushd to change directories while saving the current directory to a stack and popd to return to the previous directory:

pushd ~/Documents
# Do something
popd
pushd and popd commands for advanced navigation

Common Errors and Troubleshooting

While using the cd command, you might face some common errors. Here are ways to troubleshoot them:

1. No Such File or Directory

If you receive an error message telling you that there is no such file or directory, re-check the spelling and verify that the path is there. You can use the ls command to verify the directory’s presence.

2. Permission Denied

If you try to access a directory without the required permissions, you will receive a “permission denied” error. To access system directories, use sudo to run commands as a superuser. However, be careful, as this can impact system files.

3. Too Many Arguments

The cd command only accepts one argument at a time. If you provide multiple paths or options, you will encounter an error. Make sure you specify only a single path.

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Conclusion

The cd command is your guide to exploring Linux. Mastering cd will make you a Linux expert, whether managing a VPS or a gaming server. Understanding cd is essential for Linux users, from using absolute and relative paths to avoiding mistakes. With cd, you can work faster and more confidently, making your Linux experience enjoyable. Happy Navigation!

About Author

Vinayak Baranwal Article Author

Vinayak Baranwal wrote this article. Use the provided link to connect with Vinayak on LinkedIn for more insightful content or collaboration opportunities.

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