Characters with special meaning for the shell

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Дата изменения: Fri Jan 17 12:43:14 1997
Дата индексирования: Tue Oct 2 01:00:43 2012
Кодировка:
Поисковые слова: вторая космическая скорость

The characters

   ;  &  ( )  |  ^  <  >  ~  %  { }
   $  #   '  "  \  @@  *  ?  [ ]  -  !
   Newline (a <Return>)
   Space   (a <Space>)
   Tab	   (a <Tab>)

are all shell metacharacters. To the shell, they represent something other than the character or symbol that they are.

You must quote any command argument or regular expression containing one or more of these, so that it is passed to the command unchanged.

Removing special meaning from a metacharacter