IRIS DMC
random sort
ls |sort -R
start MATLAB without GUI window
matlab -nojvm -nodesktop -nosplash #if using parfor loop, remove the "-nojvm" flag.
convert UTF-8 encoding to ascii
iconv -f UTF-8 -t ASCII//TRANSLIT ev1.txt > ev2.txt
transfer large data between computers
rsync -avP ./* user@machine.xx.edu:/directory1
PBS
service pbs_server restart
service pbs_sched restart
video
the following command will speed up the video by 16x
ffmpeg -i gwp1.mp4 -filter:v "setpts=PTS/16" -an out4.mp4