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# Index: U

union metacharacter, lack of : 3.2.9. Alternative Operations
union of regular expressions
  3.2. A Line-Up of Characters
  3.2.9. Alternative Operations
uppercase : (see capitalization)
user-defined functions : 9.3. Writing Your Own Functions
UUCP : UUCP
uutot.awk script (example) : 13.1. uutot.awk - Report UUCP Statistics

Symbols | A | B | C | D | E | F | G | H | I | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y

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