Ls commands

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# 1  
Old 09-24-2013
Ls commands

So I need a way to list all files that contain 4 letters.

Also separately I need to find a way to list all files with l or n as the third letter of the name.

I need to use the ls command and/or grep/egrep.

Any help would be a appreciated.
# 2  
Old 09-24-2013
Sounds like homework!

# 3  
Old 09-24-2013
Do not post classroom or homework problems in the main forums. Homework and coursework questions can only be posted in this forum under special homework rules.

Please review the rules, which you agreed to when you registered, if you have not already done so.

More-than-likely, posting homework in the main forums has resulting in a forum infraction. If you did not post homework, please explain the company you work for and the nature of the problem you are working on.

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