Introduction: To identify the System Type of your Linux or Windows Operating System from the cmd line. Procedure: Linux Open the CLI to a Linux server by SSH using Putty. Type the following command line: uname –p i386/i486/i586/i686 is a 32 bit kernel. [root@P72XEN1 /]# uname -p i686 x86_64 is a 64bit Linux kernel running. [root@P72XEN1 /]# uname -p x86_64 Windows Open the Windows Command Screen by typing cmd.exe. Type the following on the command line: systeminfo | findstr /i System Type Observe the System Type field. A 64 Bit OS is displayed below. C:\Windows\System32>systeminfo | findstr /i System System Boot Time: 6/26/2013, 2:00:31 PM System Manufacturer: LENOVO System Model: 29123RU System Type: x64-based PC System Directory: C:\Windows\system32 System Locale: en-us;English (United States) [05]: Cisco Systems VPN Adapter for 64-bit Windows A 32 Bit OS is displayed below. C:\Windows\System32>systeminfo | findstr /i System System Boot Time: 6/26/2013, 2:00:31 PM System Manufacturer: LENOVO System Model: 29123RU System Type: x86-based PC System Directory: C:\Windows\system32 System Locale: en-us;English (United States) [05]: Cisco Systems VPN Adapter for 64-bit Windows