1.3 Viewing the Linux kernel version

1, the current Linux kernel main maintenance of the three versions: Linux2.4, Linux2.6 and linux3.x,android use is linux2.6;linux3.x is the latest version of the Linux kernel;

2. How to view the kernel version of Linux system:

(1) Use command: uname-a

(2) Use command: cat/proc/version

3,/proc is not an ordinary file system, but the image of the system kernel, the file in this directory is stored in the system memory, it in the way of file system/to access the system kernel data operation/provide interface.

1.3 Viewing the Linux kernel version