linux命令之whoami
1.whoami介绍
linux命令whoami是用来显示当前会用用户名称
2.whoami用法
whoami [参数]
|-----------|--------|
| 参数 | 说明 |
| --help | 显示帮助信息 |
| --version | 显示版本信息 |
[whoami参数]
3.实例
3.1.显示帮助信息
命令：
whoami --help
[root@rhel77 ~]# whoami --help
Usage: whoami [OPTION]...
Print the user name associated with the current effective user ID.
Same as id -un.
--help display this help and exit
--version output version information and exit
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
For complete documentation, run: info coreutils 'whoami invocation'
[root@rhel77 ~]#
3.2.显示版本信息
命令：
whoami --version
[root@rhel77 ~]# whoami --version
whoami (GNU coreutils) 8.22
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Written by Richard Mlynarik.
[root@rhel77 ~]#
3.3.显示当前会话用户名称
命令：
whoami
[root@rhel77 ~]# whoami
root
[root@rhel77 ~]#
等价于
id -un
[root@rhel77 ~]# id -un
root
[root@rhel77 ~]#