Calendar in the command line
DATE COMMANDER
The legacy cal and date tools help users keep track of the time and date. You can even change the system time with a single shell command.
Wall calendars are pretty, and PDAs are handy, but there is nothing like Linux to help you track the time. Linux gives a quick overview of the date and time with the cal and date command line tools.
You can use cal to draw a calendar sheet or an overview for a full year in a terminal window, and date not only outputs the date and time in various formats, but can also adjust the system time, assuming you have administrative privileges.
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