Check Processor CPU information of Linux, Windows, HPUX and Solaris

Check Linux Processor or CPU information

$lscpu

eed	Best Command
Quick summary	lscpu
Deep technical details	cat /proc/cpuinfo
Live CPU usage	top / htop
Per‑core stats	mpstat
Hardware‑level info	dmidecode

Check HPUX Processor or CPU Information

# machinfo

Command	Purpose	Notes
machinfo	Shows CPU model, speed, cores, logical processors, firmware, memory	Recommended primary command
`machinfo	grep -i cpu`	Filter CPU‑specific details	Useful for quick checks
ioscan -fnkC processor	Lists processor hardware paths	Good for hardware inventory
top	Shows live CPU usage	Installed by default
sar -u 1 5	CPU utilization over time	Requires sysstat package
psrinfo -v	Displays processor status and details	Similar to Solaris psrinfo
`dmesg	grep -i cpu`	Shows CPU info from boot logs	Helpful after hardware changes
getconf HW_CPU_SUPP_BITS	Shows CPU bitness (32/64‑bit)	OS‑level capability
getconf HW_NCPU	Number of CPUs	Quick count
uname -m	Shows machine hardware model	Not detailed but useful
model	Shows HP‑UX hardware model	Often used with machinfo

Check solaris processor Information:

--Count
psrinfo -p

-- Details
psrinfo -vp

--syntax:
psrinfo [-p] [-v] [processor_id…]

kstat -p cpu_info | less
--Finding cores
kstat cpu_info|grep core_id|sort -u|wc -l

Check Windows Processor Information

WMIC CPU Get DeviceID,NumberOfCores,NumberOfLogicalProcessors

WMIC CPU Get /Format:List