This article covers how to install procinfo software package on your Ubuntu Linux system. In fact, the file /proc/cpuinfo displays what type of processor your system is running including the number of CPUs present.
How to install the procinfo command ?
You can install it using following command:
$ sudo apt install procinfo #Debian/Ubuntu
$ sudo yum install procinfo #CentOS/RHEL
$ sudo dnf install procinfo #Fedora 22+
The simplest example is to run procinfo without any arguments: