Linux: show open ports

sudo netstat -plnt

youtube-dl: download music playlist as mp3

youtube-dl --extract-audio --audio-format mp3

Imagemagick: bash split large images into smaller

for f in *.tiff ; do fbase=`echo $f | cut -d '.' -f 1`; echo $fbase; convert -crop 510x510 +repage $f sub/${fbase}_%02d.tiff ; done

Matlab: Set default figure position

set(0,'defaultfigureposition',[100 630 560 420])