Video demonstrating how to backup files using Time Machine on OS X.
Video demonstrating how to use MD5summer checksums to check the integrity of data files. By running a checksum for a data file, a string is created for the file, allowing comparison between different versions of the file to ensure that the data within them is exactly the same. This is useful to check that a transferred or backed-up data file is the same as the original.
Video animation about digital preservation, showing the importance of archiving data in a trustworthy repository, regularly refreshing storage media and annotating data with metadata.
- Why is it important to regularly refresh storage media?
- Why are metadata important?