CROSH Commands – A Comprehensive Guide for Your Chromebook

Chromebooks lack ePSA support and don’t offer users the option to enter a boot menu like other operating systems. However, the built-in terminal, CROSH, serves as an excellent diagnostics tool, providing extensive troubleshooting opportunities and system configurations.

CROSH Commands – A Guide For Your Chromebook

Similar in nature to a Windows terminal or Linux BASH, CROSH features a user-friendly interface. Here’s a rundown of key commands you need to know to maximize your Chromebook experience.

How to Access the Terminal

  1. Open the Chrome browser.
    Open Chrome
  2. Press Ctrl+Alt+T to launch the CROSH terminal.
    Launch CROSH
  3. Type help for a starter list of commands.
    Help Command

Essential CROSH Commands You Should Know

CROSH is a playground for casual users and Chrome OS developers alike. Below are key commands to assist with troubleshooting and improving your workflow.

Command Description Usage Example
Ping Check your network connection status. ping google.com
Memory Test Initiate a memory test on your device. memory_test
Check OS Version View your current Chrome OS version. sudo /opt/google/chrome/chrome --version
Battery Test Display additional battery information. battery_test [number of seconds]
Network Diagnostics Run advanced network diagnostics. network_diag

Additional Troubleshooting and Configuration Commands

Here’s a list of useful commands that can significantly enhance your Chromebook troubleshooting experience:

  1. Memory Information: Use free for free memory details and meminfo for usage insights.
  2. Check BIOS Version: Use sudo /usr/sbin/chromeos-firmwareupdate –v.
  3. Storage Diagnostics:
    • storage_test_2 for readability tests.
    • storage_status for S.M.A.R.T health status.
  4. Rollback the OS: If necessary, use rollback to downgrade your Chrome OS version.
  5. Test Input Devices: Use evtest to diagnose touch input devices.

Conclusion

Although not mandatory to use, learning CROSH commands can greatly enhance your efficiency and troubleshooting capabilities on a Chromebook. With a little practice, you'll find that executing commands in CROSH is often faster and more intuitive than navigating through the standard interface.

What CROSH commands have you found most helpful? Share your tips in the comments below!

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