NAME(名称)
SYNOPSIS(总览)
su [OPTION]... [-] [USER [ARG]...]
DESCRIPTION(描述)
修改有效用户标识和组标识为USER的.
- -, -l, --login
- 使得shell为可登录的shell
- -c, --commmand=COMMAND
- 传递单个COMMAND给-c的shell.
- -f, --fast
- 传递-f给shell(针对csh或tcsh)
- -m, --preserve-environment
- 不重置环境变量
- -p
- 与-m同
- -s, --shell=SHELL
- 如果/etc/shells允许,运行SHELL.
- --help
- 显示帮助并退出
- --version
- 输出版本信息并退出
单一的-意味着-l.如果没有给定USER,则假定为root.
(报告BUGS)
报告bugs,请发邮件到bug-sh-utils@gnu.org.
(另见)
以Texinfo手册形式维护的 su 完全文档.如果你正确地安装了 info 和 echo 命令
- info su
#p#
NAME
su - run a shell with substitute user and group IDs
SYNOPSIS
su [OPTION]... [-] [USER [ARG]...]
DESCRIPTION
Change the effective user id and group id to that of USER.
- -, -l, --login
- make the shell a login shell
- -c, --commmand=COMMAND
- pass a single COMMAND to the shell with -c
- -f, --fast
- pass -f to the shell (for csh or tcsh)
- -m, --preserve-environment
- do not reset environment variables
- -p
- same as -m
- -s, --shell=SHELL
- run SHELL if /etc/shells allows it
- --help
- display this help and exit
- --version
- output version information and exit
A mere - implies -l. If USER not given, assume root.
AUTHOR
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright © 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
SEE ALSO
The full documentation for su is maintained as a Texinfo manual. If the info and su programs are properly installed at your site, the command
- info coreutils su
should give you access to the complete manual.
