One Day One Command :-
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date - Print & set the system data & time
Summary:
date will print the time information in different formats and we can
also make a custom formats using the options.
Example:
$ date == print the current date and time
$ date -d '3year ago' == Same date but 3 yr ago
$ date --set='-10 minutes' == Reduce 10 min in the current time
$ date '+%b %_e %a %X %Z %Y' == Current date in custom format.
Read : info date
Bye :)
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Bharathi S