system is run system is running system is safe system is secure system is seen system is set system is set up system is showing system is shown system is shown in fig system is shown in figure system is shut system is shutting system is similar system is sometimes system is stable system is standard system is structured system is suitable system is supplied system is supposed system is switched system is the best system is the first system is the key system is the largest system is the only system is the same system is typically system is unable system is undergoing system is unique system is up system is used system is very complex system is very important system is weak system is what system is widely used system is working system is working properly system issues system just system keep system keeps system kernel system key system kit system known system lacks system landscape system landscapes system language system last system later system launched system layout system leads system led system lets system level system lies system life system light system limitations system limited system limits system link system linked system links system linux system list system load system located system lock system locked system log system logs system long system look system look like system looks system lord system lords system loses system low system made system made up system main system mainly system maintains system maintenance system make system makes system makes it possible system making system malfunction system malfunctions system managed