uname

Command Function

This command is used to display the name, version creation time, system name, and version information of the current operating system.

Syntax

uname [-a | -s | -r | -m | -n | -v | --help]

Table 1 Parameters

Parameter

Parameters

--help

Displays help information.

No parameter

Displays the operating system name by default.

-a

Displays all information.

-s

Displays the operating system name.

-r

Displays the kernel release version.

-m

Displays the operating system architecture name.

-n

Displays the network domain name of the host.

-v

Displays version information.

Usage

  • The uname command displays the name of the current operating system by default.
  • Except --help and -a, other parameters can be used together. uname -a is equivalent to uname -srmnv.

Example

Run the following commands:

  • uname -a
  • uname -ms

Output

Example 1: all information of the operating system

OHOS:/$ uname -a
LiteOS hisilicon 2.0.0.37 Huawei LiteOS 2.0.0.37 Oct 21 2021 17:39:32 Cortex-A7
OHOS:/$

Example 2: operating system name and architecture

OHOS:/$ uname -ms
LiteOS Cortex-A7
OHOS:/$