# archshow architecture of machine(1) [man]
# cal 2011show the timetable of 2011 [man]
# cat /proc/cpuinfoshow information CPU info [man]
# cat /proc/interruptsshow interrupts [man]
# cat /proc/meminfoverify memory use [man]
# cat /proc/swapsshow file(s) swap [man]
# cat /proc/versionshow version of the kernel [man]
# cat /proc/net/devshow network adpters and statistics [man]
# cat /proc/mountsshow mounted file system(s) [man]
# clock -wsave date changes on BIOS [man]
# dateshow system date [man]
# date 041217002007.00set date and time - MonthDayhoursMinutesYear.Seconds [man]
# dmidecode -qshow hardware system components - (SMBIOS / DMI) [man]
# hdparm -i /dev/hdadisplays the characteristics of a hard-disk [man]
# hdparm -tT /dev/sdaperform test reading on a hard-disk [man]
# lspci -tvdisplay PCI devices [man]
# lsusb -tvshow USB devices [man]
# uname -mshow architecture of machine(2) [man]
# uname -rshow used kernel version [man]