1. Name date [man page] - print or set the system date and time 2. Synopsis date [OPTION]... [+FORMAT]
date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]
3. Frequently used options -u, --utc, --universal
print or set Coordinated Universal Time
+%F full date; same as %Y-%m-%d 4. Examples date command is used to set up and display time. By typing date command without any options and arguments date displays current time: $ date 
date command can also be used to set time. However this require superuser permissions. To set time to 20th March 2010 23:45:28 we can use command: # date 032023452010.28 
Date command is often used with connection to bash scripting for example to create simple backup scripts: #!/bin/bash
OF=myhome_directory_$(date +%Y%m%d).tar.gz
tar -czf $OF /home/linuxconfig 
Or we can do something like this: $ echo "Today is `date +%A` `date +%e`th of `date +%B` `date +%G` which is \
`date +%j`th day since 1th of January `date +%G`" 
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Did You Know? that you can instruct your linux system to shutdown with shutdown command? For example
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