Hardware and System Performance

• Check devices and connections
• RAM

Check devices and connections

List disks

lsblk

List PCI controller connections:

lspci

List CPU details

lscpu

List USB bus devices

lsusb

RAM

View current RAM configuration

lsmem

View current RAM usage (human readable)

free -h

Older systems might not like -h, you can also run the command without it.