All Unix(Linux) System Command to Get Info About CPU, RAM, Process & Others

All About CPU

To Get CPU Info

$ cat /proc/cpuinfo

To Get CPU Architecture Info

$ lscpu

Memory Process Command

Basic Command: ps

Advance Command: ps aux

Short Syntax: ps aux –sort -type (where –sort is indicated the shorting and -type indicate which you want to short ex: if memory then -%mem)

Type :

USER = user owning the process

PID = process ID of the process

%CPU = It is the CPU time used divided by the time the process has been running.

%MEM = ratio of the process’s resident set the size to the physical memory on the machine

VSZ = virtual memory usage of the entire process (in KiB)

RSS = resident set size, the non-swapped physical memory that a task has used (in KiB)

TTY = controlling tty (terminal)

STAT = multi-character process state

START = starting time or date of the process

TIME = cumulative CPU time

COMMAND = command with all its arguments

Example :

Ex-1: Show all process with memory shorting

Command: ps aux –sort -%mem

RAM Command – Details

RAM Used

Disk Space :

df -h — Disk Free

Size Folder Command :

du -msh — all folder size of a directory

du -sh * — all folder size individually

Network Status :

netstat -tulnp (port statistics)

netstat -nlp | grep 8891 (check port 8891)

netstat -atpn (Kind of Port statistics)