# Copy output of command to clipboard
grep 'search term' largeFile.txt | pbcopy# display a Quick Look preview of a file; ctrl+C to kill
qlmanage -p photo.jpg# converting an aiff file to 160kbps AAC:
afconvert track.aiff -o track.m4a -q 127 -b 160000 -f 'm4af' -d 'aac '