How To Adjust Date and/or Time setting in EXIF date from JPG pictures


Sometimes it happend: The clock from your digital camera isn't on the right time. So all your pictures have the wrong date or time in EXIF data. This can be a very big problem if you use more than one camera and want to sort the pictures of a event on the date and time that the picture was taken.

How To Resize multiply images to prefered size


If you want to resize multiply images to a other (smaller) size you can use this command.

It's not recommend to enlarge pictures because that will have a negative effect on the quality of the enlarged image.

time find ./ -maxdepth 1 -iname '*.jpg' -exec convert '{}' -resize 500 '../big/{}' \;

* time: gives you the time the command was busy. This is optional.