Now let see the date command usage in unix
Date Command Examples:
1. Write a unix/linux date command to print the date on the terminal?
>date
Mon Jan 23 01:37:51 PST 2012
This is the default format in which the date command print the date and time. Here the unix server is configured in pacific standard time.
2. Write a unix/linux date command to print the date in GMT/UTC time zone?
>date -u
Mon Jan 23 09:40:21 UTC 2012
The -u option to the date command tells it to display the time in Greenwich Mean Time.
3. Write a unix/linux date command to sett the date in unix?
You can change the date and time by using the -s option to the date command.
>date -s "01/01/2000 12:12:12"
4. Write a unix/linux date command to display only the date part and ignore the time part?
>date '+%m-%d-%Y'
01-23-2012
You can format the output of date command by using the %. Here %m for month, %d for day and %Y for year.
5. Write a unix/linux date command to display only the time part and ignore the date part?
>date '+%H-%M-%S'
01-48-45
Here %H is for hours in 24 hour format, %M is for minutes and %S for seconds
6. Write a unix/linux date command to format both the date and time part.
>date '+%m-%d-%Y %H-%M-%S'
01-23-2012 01-49-59
7. Write a unix/linux date command to find the number of seconds from unix epoch.
>date '+%s'
1327312228
Unix epoch is the date on January 1st, 1970. The %s option is used to find the number of seconds between the current date and unix epoch.
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