Software⏱️ 3 min read📅 2026-06-11

How to Fix: Fixing 'Input/output error' from .bashrc in Windows Subsystem for Linux

Fixing Input/output error from .bashrc in WSL Bash.

Quick Answer: Try running `sudo chown -R $USER:$USER /root/.bashrc` to change the ownership and permissions of the file.

📋 Table of Contents

  1. 💡 Why You Are Getting This Error
  2. 🔧 Proven Troubleshooting Steps
  3. ✨ Wrapping Up

The 'Input/output error' issue in WSL Bash occurs when the .bashrc file is edited using a Windows text editor, causing the file to become corrupted. This error affects users who have mistakenly edited the .bashrc file and are now facing issues when running Bash.

This problem can be frustrating as it prevents users from accessing their Bash environment, making it difficult to perform tasks such as coding, data analysis, or system administration. In this guide, we will walk you through the steps to fix the 'Input/output error' issue in WSL Bash.

💡 Why You Are Getting This Error

  • The primary cause of the 'Input/output error' is that the .bashrc file was edited using a Windows text editor, which does not handle Linux line endings correctly. This can lead to the file becoming corrupted and causing issues when running Bash.
  • An alternative reason for this issue could be that the .bashrc file has become corrupted due to other factors such as disk errors or system crashes.

🔧 Proven Troubleshooting Steps

Restoring Original File Permissions

  1. Step 1: Open a terminal in WSL and navigate to the /root directory where the .bashrc file is located.
  2. Step 2: Run the command `chmod u+x /root/.bashrc` to restore read and execute permissions for the owner of the file.
  3. Step 3: Next, run the command `chown root:root /root/.bashrc` to ensure that the file ownership is set correctly.

Recreating .bashrc File

  1. Step 1: Open a terminal in WSL and navigate to the /root directory where the .bashrc file is located.
  2. Step 2: Run the command `rm /root/.bashrc` to delete the existing .bashrc file.
  3. Step 3: Next, run the command `cat > /root/.bashrc` to create a new empty .bashrc file. Note: This method will overwrite any existing contents in the file.

✨ Wrapping Up

To fix the 'Input/output error' issue in WSL Bash, you can try restoring original file permissions or recreating the .bashrc file. If none of these methods work, it may be necessary to seek further assistance from a system administrator or Linux expert.

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