Note
here all an example to ubuntu
Linux operating system to view the current version information
lsb_release -a
cat /etc/issue
Note: If other operating systems, but also look for the display version of the file in the / etc
View the current version of the Linux operating system kernel information
cat /proc/version（更详细一点）
uname -a
View cpu Linux-related information, including the type, frequency, core information
cat /proc/cpuinfo
