wget -c http://hgdownload.cse.ucsc.edu/admin/exe/linux.x86_64/gtfToGenePred
wget -c http://hgdownload.cse.ucsc.edu/admin/exe/linux.x86_64/genePredToBed
chmod u+x gtfToGenePred genePredToBed
gtfToGenePred genes.gtf genes.genePred
genePredToBed genes.genePred genes.bed