How to find out zone information for given country on Linux or Unix

To find out the time zone information for a given country on a Linux or Unix system, you can use the tzselect command, which is a utility for selecting a time zone based on geographical location.

To use the tzselect command, open a terminal window and enter the following command:

tzselect

This will start the tzselect utility and prompt you to select a continent or ocean. You can then follow the prompts to select a country and a time zone. Once you have selected a time zone, tzselect will display its information, including the time zone identifier (e.g. Europe/Paris), the time offset from Coordinated Universal Time (UTC), and the daylight saving time (DST) rules.

For example, to find out the time zone information for France, you can follow these steps:

1. Open a terminal window and enter the tzselect command.
2. Select Europe when prompted to select a continent or ocean.
3. Select France when prompted to select a country.
4. Select the desired time zone when prompted to select a time zone.

Once you have selected a time zone, tzselect will display its information and prompt you to confirm your selection. If you are satisfied with your selection, you can press Enter to accept it. If you want to start over, you can type n and press Enter to return to the previous prompt.

Keep in mind that the tzselect utility is a simple tool and may not provide complete or accurate information about all time zones or DST rules. For more information about time zones and DST, you can consult the tz database documentation or seek assistance from a qualified Linux or Unix administrator.