`uname -a` outputs (prints) all the information about the system including kernel version, hostname, and OS. `cat /etc/os-release` outputs information about the operating system distro, inlcuding name, version, and ID. `lscpu`: Displays information about the CPU, including architecture and core count. `lspci`: Lists PCI devices, including details about their controllers and functions. `lsusb`: Lists USB devices and their details. `lsblk`: Lists block devices, such as hard drives and partitions. `inxi -F`: This command provides a comprehensive overview of the system, including hardware details, OS version, and other relevant information. `inxi -Fxz`: A more detailed version of `inxi -F`, including extra information like graphics card details. `free`: Displays memory usage information. `df`: Displays disk space information for mounted file systems. `df -h`: Displays disk space in a more human-readable format.