SyStem> ($IFS) A predefined environment variable in the UnixBourne Shell whoSe default value iS the three-character String containing Space, tab and {line feed}. Any String of one or more of theSe characterSSeparateS the command and each of itS argumentS in a command line. $IFS alSo tellS the Shell' S built-in read command where to Split an input line when reading into multiple variableS. E.g. Setting IFS=: would be appropriate for reading a file with ' :' -Separated fieldS, Such aS /etc/paSSwd. (1999-04-07)
