How to view the linux version _ Linux check whether the system is 64-bit or 32-bit

In windows, right-click the system information and choose computer properties to view the information. In Linux, how can we view the information? The following describes how to view the information.

We often need to know what the system is, whether it is 32-bit or 64-bit, when buying Linux vps installation software, in windows, right-click system information and choose computer properties to view the information. in Linux, how does one view the data. the following describes several ways to view data.
1. getconf LONG_BIT or getconf WORD_BIT

For example:

 

2. file/bin/ls

For example:

View the linux version:

3. Enter "uname-a" to display information about your computer and operating system.

4. Enter "cat/proc/version" to describe the running kernel version.

5. Enter "cat/etc/issue" to display the release version information.

6. lsb_release-a (applicable to all linux releases, including Redhat, SuSE, and Debian, but lsb must be installed in debian)