Many people have installed both Windows 11 and Linux on a single computer, but they often encounter a frustrating issue: wanting to access the same folder from both systems, such as “project source code”, “video materials”, or “download directory”—only to find that they cannot see each other! In fact, once you learn the following steps, you can perfectly share hard drive space between Windows and Linux, achieving seamless collaboration between the two systems!

1. Principle Introduction: Why Can’t They See Each Other?

Windows uses the NTFS file system by default, while Linux commonly uses the ext4 file system. The file structures of the two systems are different, so they cannot directly access each other. The good news is that Linux supports mounting NTFS partitions; Windows can also access ext4 partitions through tools. Therefore, as long as we plan the partitions or mounts properly, we can achieve sharing!

2. Preparations

Applicable to:

• Windows 10 / 11
• Any Linux distribution such as Ubuntu / Debian / Fedora
• Computer with dual systems installed

Tools:

• Linux Terminal
• DiskGenius (to view partitions on Windows)
• ext2fsd or Linux File Systems for Windows (tools for Windows to access Linux partitions)

3. Method 1: Accessing Windows Folders from Linux (Recommended)

Step 1: Check Windows Partition Path

Open the Linux terminal and execute:

sudo fdisk -l

Look for partitions labeled with ntfs in the output, for example:

/dev/sda3 204800 976773119 NTFS

Step 2: Create Mount Directory

sudo mkdir /mnt/winshare

Step 3: Mount Windows Partition

sudo mount -t ntfs-3g /dev/sda3 /mnt/winshare

Now you can access Windows files at /mnt/winshare!

If you want to mount it automatically, you can edit:

sudo nano /etc/fstab

Add the following line:

/dev/sda3 /mnt/winshare ntfs-3g defaults 0 0

Save and reboot to apply automatically.

4. Method 2: Accessing Linux Partitions from Windows

Step 1: Download the Tool

Go tohttps://www.diskinternals.com/linux-reader/

Download and install Linux Reader.

Step 2: Open the Software

After installation, run it; it will automatically recognize the ext4 partitions of Linux.

Step 3: Export Files

Select the directory you want to access, right-click → “Save to Windows” to copy Linux files to the local disk.

⚠️ Note: Windows cannot write directly to ext4 partitions; it is recommended to use it in “read-only” mode to prevent data corruption.

5. Advanced Tip: Share a Common Shared Area!

If you frequently need to transfer data between the two systems, the best practice is to:

Create a dedicated NTFS partition named “Share” specifically for file sharing.

Create it in Windows:

1. Open “Disk Management”;
2. Right-click on unallocated space → “New Volume”;
3. Format it as NTFS and label it as Share.

Mount it in Linux:

sudo mkdir /mnt/share

sudo mount -t ntfs-3g /dev/sda4 /mnt/share

Now both systems can access this shared area, eliminating the need to copy files back and forth!

6. Summary

Solution	Advantages	Disadvantages
Linux mounts NTFS partition	Simple and stable	Cannot access ext4 features
Windows reads ext4 partition	Can read Linux files	Cannot write
Dedicated shared partition	Highly recommended, safe and efficient	Requires additional disk space

Tip:

If you are using a virtual machine (like VMware or WSL2), you can also quickly achieve similar effects through the shared directory feature without partitioning.

Conclusion

Through this tutorial, you have learned how to share hard drive space between Windows 11 and Linux dual systems.

Whether you are a developer, designer, or regular user, this technique can make your cross-system experience smoother!

END

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