What is the command to view the system in linux

The command to view system information in Linux is "uname". The uname command is used to print current system-related information (including host, kernel version, architecture, kernel time, architecture type, etc.); the syntax is "uname [-amnrsv][--help][--version]".

The operating environment of this tutorial: CentOS 7 system, Dell G3 computer.

The command to view system information in Linux is "uname".

Linux uname (full English spelling: unix name) command is used to display system information.

uname can display computer and operating system related information (including host, kernel version, architecture, kernel time, architecture type).

Syntax:

uname [-amnrsv][--help][--version]

uname options

• -a or --all: display all information;

• -m or --machine: Print the computer type;

• -n or --nodename: Print only the external host name;

• -r or --release: only prints the kernel version;

• -s or --sysname: only prints the operating system, here it is fixed to Linux;

• -v: Print kernel compilation time

• -p or --processor: Print system architecture, such as X86_64;

• -i or --hardware-platform: print hardware architecture;

• -o or --operating-system: print operating system name;

• --help: Print help information;

• --version: Query version information.

Common cases

# uname -a

linux uses uname to view detailed system information

You can see that the output information is complete.

# uname -n

Only display the external host name.

# uname -r

Only display the kernel version

# uname -s

Display the operating system name

# uname -v

Display kernel time

# uname -p
# uname -i

Display operating system architecture

# uname -o

Print operating system type

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