Here are a set of quick commands on getting a formatted Date to be used in timestamping some files:
Simple Date
date +%Y-%m-%d
Results in:
2017-03-31
Simple Date and Time
date +%Y-%m-%d_%H-%M-%S
Results in:
2017-03-31_18-14-04
Timestamping a file
So if you like to timestamp a file you can just do the following:
mv someFile someFile_`date +%Y-%m-%d_%H-%M-%S`
If you ls afterwards, you have a nicely timestamped file:
someFile_2017-03-31_18-18-25
Nice!
Dennis' Repository 