Use this command: df -h In the "Mounted on" column look for the name of the disk. Free space is shown in the "Avail" column.
To show just the available space for a specific disk: df -h | grep DISKNAME | awk '{print $4}' Substitute DISKNAME with the name of the disk.
Show a summary of disk usage: du -sh This shows free space as a number (eg 304G).
I usually write a blog post about once a week. The latest post can be viewed here: Peak Fascism: Just so you know: assassinating people who think differently than you is peak fascism! (posted 2025-09-15 at 20:40:57). I do podcasts too!. You can listen to my latest podcast, here: OJB's Podcast 2025-08-07 What is Anything?: Use language in an honest way to communicate instead of obfuscating..