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→This Is Your Brain On Informatics
'''find / -name foo'''
This will search the whole system for any files named foo and display their pathnames. Here we are using the criterion -name with the argument foo to tell find to perform a name search for the filename foo.
If you get locked out of your server, enter pico /etc/hosts.deny Once you are in that file, delete the IP address (your IP address) that has been blocked at the bottom of the file.