How to view the number of bits in the Linux operating system

How to view the number of bits in the Linux operating system

1. Programming Implementation:

Returns the value of sizeof (int) in the program, and the result is the number of bytes of the operating system. If return 4 is a 32-bit operating system, return 8 is 64 bits.

2.2.getconf command:

The getconf command can obtain basic configuration information of the system, such as the number of operating system bits, memory size, disk size, etc.

Example: getconf long_bit

3. uname-a

4 Uname-m | Sed-e ' s/i.86/32/', if 32, is a 32-bit machine, if 64, then 64-bit machine. To be examined without confirmation

How to view the number of bits in the Linux operating system