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[https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standard Standard directory naming] == GREP == grep [OPTIONS] "REGEXP" [FILES(s)] *"REGEXP" can be any [[Regular Expression]] *Single or double quotes can be used. *Quotes can be omitted if there are no spaces in the search term. *If file is omitted, all files in current dir are searched. *Multiple files can be specified separated by spaces or wildcarded (*.txt) *''While most tutorials assume that you are going to specify a file to search, using the search feature in vi makes more sense for working with a single file.'' OPTIONS: -i ignore case -r recursive files inclusion -F Fast search using literal search term, not regEx -n print line #s -l just show filenames -x exact matches only -w match whole words only -m, --max-count=NUM stop after NUM matches -a text files only -iFr ignore case, simple string search, search current directory and subdirectories '''egrep''' is replaced with '''grep -E''') '''fgrep''' is replaced with '''grep -F''') Can pipe the output of another command ls |grep blah lists all files in the current directory whose names contain the string "blah" ==Create shortcuts in Linux (symbolic links)== ln -s /pathToTarget nameOfTheLink e.g. ln -s /var/www/html/public_html/ webDirectory
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