samplename jobname cmd sample1 sleep sleep 10 && sleep 2;echo 'hello' sample1 sleep sleep 11 && sleep 8;echo 'hello' sample1 sleep sleep 11 && sleep 17;echo 'hello' sample1 create_tmp head -c 100000 /dev/urandom > sample1_tmp_1 sample1 create_tmp head -c 100000 /dev/urandom > sample1_tmp_2 sample1 create_tmp head -c 100000 /dev/urandom > sample1_tmp_3 sample1 merge cat sample1_tmp_1 sample1_tmp_2 sample1_tmp_3 > sample1_merged sample1 size du -sh sample1_merged; echo 'MY shell:' $SHELL