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Issue the following in the directory of interest:

> find . -name "A-Z" | cut -c 3- - | awk '{print $1,tolower($1)}' | xargs -i echo "mv {}" | csh

 

This will find everything with uppercase letters and rename it to the
same thing with all lowercase.

How do I uncompress and extract many .gz and corresponding tar files?

> ls -1 *.gz | xargs -n 1 -r -I {} tar zxf {}


Sometimes I get a cryptic message about too many open files, what is that?
There are several resource settings associated with a default account. To see the settings:

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