Advanced · Observation System
lscpu:View CPU topology
Syntax
lscpuExamples
lscpuUsage and sandbox support
Fixed teaching architecture and CPU quantity, no real hardware sampling.
Hands-on exercises
- Read CPU structure and quantityAdvanced
Related commands
psView process listpgrepCheck process number by namekillSend signal to processpkillEnd process by nametopView system process snapshotfreeView memory overviewdfView file system spaceduEstimated directory usageunameView kernel informationwhoamiShow current useridView users and user groupshostnameView host namedateView dateuptimeView running timenprocQuery the number of available processorswhoView login sessionwView sessions and loadttyView terminal device namelsblkView block devices and file systemsfindmntView mounting relationshipsvmstatObserve memory and CPU indicatorsdmesgView kernel messageshtopInteractively view process resourceslsofView open files and portsfuserFind processes occupying files or portsiostatWatch the disk with the CPU indicatorpidstatObserve process resource usagesarQuery system performance recordsniceSpecify process scheduling priorityreniceAdjust the priority of existing processesioniceAdjust I/O scheduling prioritystraceTracing system callsperfSampling performance eventsmountMount file systemumountUnmount file systemblkidQuery block device identifierfdiskView or edit partitionspartedManage disk partitionsmkfsCreate file systemfsckCheck file systemswaponEnable or query swap spaceswapoffDisable swap spacelsmodList kernel modulesmodinfoQuery kernel module informationmodprobeLoad kernel modulelsusbView USB devicelspciView PCI devicegetconfView system configuration values