TIL: Filtering The df Command

I've used the df command thousands of times to check how full disks are. What I find annoying is that 99.999% of the time I'm only interested in the root partition, but I have to scan through a bunch of other loopback and tmpfs devices to find it #firstWorldProblems. What I discovered is that you can pass a path to filter on: df -h / : Filesystem Size Used Avail Use% Mounted on…