Sometimes you need to determine how many CPU cores a system has. This might be when you’re running make to use some or all of your CPU cores or some compression tools that take a CPU cores argument. If you’re not trying to find this number in a script you can grep the contents of /proc/cpuinfo: cat /proc/cpuinfo | grep processor processor : 0 processor : 1 processor : 2 processor : 3 processor : 4 processor : 5 processor : 6 processor : 7 Or you could open top and press 1 which will list ...
