NAME(名稱)

su - 運(yùn)行替換用戶和組標(biāo)識(shí)的shell  

SYNOPSIS(總覽)

su [OPTION]... [-] [USER [ARG]...]  

DESCRIPTION(描述)

修改有效用戶標(biāo)識(shí)和組標(biāo)識(shí)為USER的.

-, -l, --login

使得shell為可登錄的shell

-c, --commmand=COMMAND

傳遞單個(gè)COMMAND給-c的shell.

-f, --fast

傳遞-f給shell(針對(duì)csh或tcsh)

-m, --preserve-environment

不重置環(huán)境變量

-p

與-m同

-s, --shell=SHELL

如果/etc/shells允許,運(yùn)行SHELL.

--help

顯示幫助并退出

--version

輸出版本信息并退出

單一的-意味著-l.如果沒有給定USER,則假定為root.  

(報(bào)告BUGS)

報(bào)告bugs,請(qǐng)發(fā)郵件到bug-sh-utils@gnu.org.  

(另見)

以Texinfo手冊(cè)形式維護(hù)的 su 完全文檔.如果你正確地安裝了 info 和 echo 命令

info su

應(yīng)該可以使你訪問到整個(gè)手冊(cè).   

#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

Written by David MacKenzie.  

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.