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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Name

tolower

Synopsis

tolower(str)

Translate all uppercase characters in str to lowercase and return the new string.[10]

[10] Very early versions of nawk don’t support tolower( ) and toupper( ). However, they are now part of the POSIX specification for awk.

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