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Symbols, numbers A B C D E F G H I K L N O P R S T V W X

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• pathnames, extracting filenames from
• paths
  • problems
  • searching
• pattern space
• pipe, awk output, ``Output into pipes'', ``Files and pipes''
• positional parameters, in regular expressions
• print (Korn shell), ``The print command (Korn shell only)'', ``Sending a message to a terminal''
• processes
  • overheads
  • script performance