Bash/RAM

#!/bin/bash
: '
 @author   "Chorke Academia"<devs.academia@chorke.org>
 @web       http://chorke.org/academia
 @vendor    Chorke Academia, Inc.
 @version   1.0.00.GA
 @since     1.0.00.GA
'

less /proc/meminfo
# cat /proc/meminfo
:'
MemTotal:       32647248 kB
MemFree:         1176316 kB
MemAvailable:   14842976 kB
Buffers:            1452 kB
     --- more ---
DirectMap4k:      291324 kB
DirectMap2M:    19499008 kB
DirectMap1G:    15728640 kB
'

vmstat -s
:'
     32647248 K total memory
     15046772 K used memory
     16012884 K active memory
     12832368 K inactive memory
      1146744 K free memory
         1452 K buffer memory
     --- more ---
     10197224 forks
'

free -th
free -m
free -g

mpstat
# Linux 3.10.0-327.el7.x86_64 (cki)       12/18/2018      _x86_64_        (20 CPU)
# 
# 09:13:03 PM  CPU    %usr   %nice    %sys %iowait    %irq   %soft  %steal  %guest  %gnice   %idle
# 09:13:03 PM  all    0.07    0.00    0.05    0.01    0.00    0.00    0.00    0.00    0.00   99.87

Knowledge

sudo apt install neofetch
neofetch --cpu-brand off
neofetch