143299
To distinguish between the two , writers often refer to the utility program as crypt ( 1 ) , because it is documented in section 1 of the Unix manual pages , and refer to the C library function as crypt ( 3 ) , because its documentation is in manual section 3 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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