uname command in linux

Introduction to Uname Command in Linux

The uname command is a Linux utility that is used to obtain information about the system and the hardware it is running on. The name "uname" stands for "Unix name," as the command was originally designed for Unix-based systems, although it is now commonly used in Linux-based systems as well. A uname command is a powerful tool for system administrators and developers, as it can be used to quickly obtain information about the system. It can be used to display information about the operating system, including the kernel version, machine hardware name, processor architecture, operating system name, and more.

Linux Uname Command Syntax

The syntax for the uname command in Linux is as follows:

Here, options are arguments that are used to specify which type of information is to be displayed. There are several options available with the uname command, which we will go through below.

Uname Command Options

The uname command in Linux comes with several options which allow us to modify its behavior as required. Some of the most commonly used options include-

Uname Command in Linux With Examples

To gain a better understanding of the uname command, let's check out a few examples of the uname command along with its various options.

To Display The Complete System Name And Version Banner

In this example, we will see how we can use the uname command to display the complete system name and version banner. Example

Output Here, the uname command is used with the -a option, which displays all the available information about the system including the system name and version banner.

Running The Uname Command Without Any Options

Let us see in this example, how the uname command works without any arguments. Example

Output In the above output, we can see that, when the uname command is run without any arguments, the kernel name is displayed.

Using The Uname Command With -n Option

In this example, we will see how the uname command works with the -n option. Example

Output In the above output, we can see that using the -n option with the uname command displays the hostname of the system.

Using The Uname Command With -m Option

In this example, we will understand how the uname command works when used with the -m option. Example

Output When the uname command is used with the -m option, it displays the machine hardware name, which identifies the type of processor that the system uses. In the above output, we can see the returned value is "x86_64". This indicates that the system is using an x86 64-bit processor.

Using The Uname Command with -r Option

In this example, we will see how the uname command works with the -r option. Example

Output

In the above output, we can see that the uname command when used with the -r option, displays the kernel release number,

Displaying The Architecture of The Processor Using -p Option

In this example, we will understand how to display the architecture of the processor using the uname option. Example

Output

To display the architecture of the processor we can use the -p option as shown in the example above.