#Hardware Information
- dmesg--> show bootup message
- lshw--> hardware configuration
- free -h (or free -m)--> show free and used memory
- lsblk--> block devices
- lspci -tv--> show PCI devices
- lsusb -tv--> show USB devices
- dmidecode show hardware information from the BIOS
#System information
- w--> show logged in users
- cal--> show current calender month and day
- uname -r--> show system information
- uname -a--> show kernel release
- hostname (-i flag for IP address)--> show hostname
- uptime--> show how long the system has been running + load average
- last reboot--> show system reboot history
updating...