Find files or directories under the given directory tree, recursively.
find {{root_path}} -name '{{*.ext}}'
find {{root_path}} -name '{{*pattern_1*}}' -or -name '{{*pattern_2*}}'
find {{root_path}} -type d -iname {{*lib*}}
find {{root_path}} -path '{{**/lib/**/*.ext}}'
find {{root_path}} -name '{{*.py}}' -not -path '{{*/site-packages/*}}'
find {{root_path}} -size {{+500k}} -size {{-10M}}
{}
within the command to access the filename):find {{root_path}} -name '{{*.ext}}' -exec {{wc -l {} }}\;
find {{root_path}} -mtime {{-7}} -delete