[Linux] Get CPUs / Memory Info

# Get Number of CPUs (Ex: 4)
getconf _NPROCESSORS_ONLN

# Get Model Name (Ex: Intel(R) Core(TM) i5-7200U CPU @ 2.50GHz)
lscpu | grep -iE 'model name'

# Get Vendor (Ex: GenuineIntel)
lscpu | grep -iE 'vendor id'

# Get architecture (ex: x86_64)
lscpu | grep -iE 'architecture'

# get frequency (ex: 2701.000)
lscpu | grep -iE 'cpu mhz'

# cache memory size (Ex : 256 KB)
grep -i 'cache size' /proc/cpuinfo | uniq

# Memory info (ex:  8237288 kB)
grep -i 'MemTotal' /proc/meminfo

#7,9G
free -h|grep Mem:|awk '{print $2}'

# 8GB
hwinfo --memory|grep 'Memory Size'

# Memory free (ex: 1469324 kB)
grep -i 'MemFree' /proc/meminfo

# 1,5G
free -h|grep Mem:|awk '{print $4}'