linux uname指令介紹

linux版本使用：Centos7
文中的程式，皆為實際使用個人環境所測試！



uname

[test@7c0d5fd24170 /]$ uname
Linux

會印出系統的內核名稱：Linux，與uname -s相同

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uname -a

[test@7c0d5fd24170 /]$ uname -a
Linux 7c0d5fd24170 4.4.0-96-generic #119-Ubuntu SMP Tue Sep 12 14:59:54 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

會印出系統的所有的資訊，會忽略未知的處理器與未知的硬件平台：
Linux 7c0d5fd24170 4.4.0-96-generic #119-Ubuntu SMP Tue Sep 12 14:59:54 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
系統：Linux
機器名稱：7c0d5fd24170(因是使用docker建置之虛擬環境)
內核版本：4.4.0-96-generic

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uname -s

[test@7c0d5fd24170 /]$ uname -s
Linux

會印出系統的內核名稱。

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uname -n

[test@7c0d5fd24170 /]$ uname -n
7c0d5fd24170

會印出顯示於網路上的主機名稱。

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uname -r

[test@7c0d5fd24170 /]$ uname -r
4.4.0-96-generic

會印出內核的版本。

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uname -v

[test@7c0d5fd24170 /]$ uname -v
#119-Ubuntu SMP Tue Sep 12 14:59:54 UTC 2017

會印出內核運行於哪個linux上(因本機是使用ubuntu，所以非centos)，和實際發行的日期。

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uname -m

[test@7c0d5fd24170 /]$ uname -m
x86_64

會印出電腦類型：x86_64(為64位元架構，如為32位元會如：x86_32)

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uname -p

[test@7c0d5fd24170 /]$ uname -p
x86_64

會印出處理器類型：x86_64(為64位元架構，如為32位元會如：x86_32)

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uname -i

[test@7c0d5fd24170 /]$ uname -i
x86_64

會印出硬件平台類型：x86_64(硬件平台包括如CPU、儲存裝置、主機板等等硬體)

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uname -o

[test@7c0d5fd24170 /]$ uname -o
GNU/Linux

會印出操作系統名稱：GNU/Linux(作業系統，如windows)

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uname -h

[test@7c0d5fd24170 /]$ uname --help
Usage: uname [OPTION]...
Print certain system information.  With no OPTION, same as -s.

  -a, --all                print all information, in the following order,
                             except omit -p and -i if unknown:
  -s, --kernel-name        print the kernel name
  -n, --nodename           print the network node hostname
  -r, --kernel-release     print the kernel release
  -v, --kernel-version     print the kernel version
  -m, --machine            print the machine hardware name
  -p, --processor          print the processor type or "unknown"
  -i, --hardware-platform  print the hardware platform or "unknown"
  -o, --operating-system   print the operating system
      --help     display this help and exit
      --version  output version information and exit

GNU coreutils online help: 
Report uname translation bugs to 
For complete documentation, run: info coreutils 'uname invocation'

會印出這個指令的幫助，與各個參數的功能

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uname --version

[test@7c0d5fd24170 /]$ uname --version
uname (GNU coreutils) 8.22
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later .
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by David MacKenzie.

會印出這個指令(uname)的版本與其他訊息(包括聲明、授權等等)