How to find number of CPU processors on a Linux machine

You can find the number or processors on your linux machine as follows:

shell> grep processor /proc/cpuinfo

This would give output like (which means the following computer has 8 processors:

processor	: 0
processor	: 1
processor	: 2
processor	: 3
processor	: 4
processor	: 5
processor	: 6
processor	: 7

Finding number of CPU processors on a Linux machine

Following tutorials explain:

Objective C Tutorial