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 发表于 2016-6-21 18:03:03
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 在shell下输入 man rm
 
 RM(1)                            User Commands                           RM(1)
 
 NAME
 rm - remove files or directories //删除文件或目录
 
 SYNOPSIS
 rm [OPTION]... FILE...
 
 DESCRIPTION
 This  manual  page  documents  the  GNU version of rm.  rm removes each
 specified file.  By default, it does not remove directories.
 
 If the -I or --interactive=once option is given,  and  there  are  more
 than  three  files  or  the  -r,  -R, or --recursive are given, then rm
 prompts the user for whether to proceed with the entire operation.   If
 the response is not affirmative, the entire command is aborted.
 
 Otherwise,  if  a file is unwritable, standard input is a terminal, and
 the -f or --force  option  is  not  given,  or  the  -i  or  --interac-
 tive=always  option is given, rm prompts the user for whether to remove
 the file.  If the response is not affirmative, the file is skipped.
 
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