File: coreutils.info, Node: System context, Next: SELinux context, Prev: User information, Up: Top 21 System context ***************** This section describes commands that print or change system-wide information. * Menu: * date invocation:: Print or set system date and time. * arch invocation:: Print machine hardware name. * nproc invocation:: Print the number of processors. * uname invocation:: Print system information. * hostname invocation:: Print or set system name. * hostid invocation:: Print numeric host identifier. * uptime invocation:: Print system uptime and load.