ls /etc | less #whenever output is too big, you can use | less #use q to quit less, :n for next file, / to search
ls * |tee teeFile
ls /etc/|tee teeFile2|less
who | grep ijones ls /etc|grep net #see all files containing net
find . -print | xargs grep "mail" #like rgrep find . -name *.cpp |xargs less #as opposed to: find . -name *.cpp |less
pushd . cd pwd popd