Write a script that does not permit some user to log in

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Reference no: EM131876292

Problem

1. Write a script that accepts a pattern and filename as arguments and then counts the number of occurrences of the pattern in the file. (A pattern may occur more than once in a line and comprise only alphanumeric characters and the underscore.)

2. Write a script that doesn't permit some users to log in more than once. It looks up a configuration file that contains a list of those users, one user per line. Where should you place the script code?

Reference no: EM131876292

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