du #disk usage blkid #print block devices attributes like uuid
lsblk #list storage blocks with total size and mount points
df #print details about mounted file systems only

PowerToys - power user utilities

TamoSoft Throughput Test - network testing free Win macOS Android iOS NetStress - WiFi benchmarking free Win Angry IP Scanner - scanner Win macOS Linux Advanced IP Scanner - network discovery & scanner Win

Some renderers support linking to headers with ids.
Link to headings with custom ids via a standard link with a pund sign followed by the custom heading ID.