How to explicitly view the number of digits of the operating system in Linux

In Linux, how does one clearly view the number of digits of the operating system? How does one know whether the operating system is 32-bit or 64-bit? Here we introduce a simple way: [plain] [root@localhostmysql-5.1.57] # getconfLONG_BIT64www.2cto.com through the above operation, we can very square... in Linux, how does one clearly view the number of digits of the operating system? How does one know whether the operating system is 32-bit or 64-bit? Here we introduce a simple way: [plain] [root @ localhost mysql-5.1.57] # getconf LONG_BIT 64 www.2cto.com through the above operation, we can easily see is 64-bit. My Version information is as follows: [plain] [root @ localhost mysql-5.1.57] # lsb_release-a LSB Version: core-4.0-amd64: core-4.0-ia32: core-4.0-noarch: graphics-
4.0-amd64: graphics-4.0-ia32: graphics-4.0-noarch: printing-4.0-amd64: printing-
4.0-ia32: printing-4.0-noarch Distributor ID: CentOS Description: CentOS release 5.8 (Final) Release: 5.8 Codename: Final www.2cto.com if your display does not come out, please man getconf, view help. author love _ coder