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cal – Display the current calendar or a calendar for a specified date

The cal command is a Linux command that is used to display the current calendar or a calendar for a specified date. It is a simple and useful command that can be used to quickly check the date, month, and year. It is particularly useful for system administrators who need to keep track of important dates and schedules.

Overview

The cal command can be used to display the calendar for the current month, or for a specific month and year. The basic syntax for the command is as follows:

cal [month] [year]

If you do not specify a month and year, the command will display the calendar for the current month. If you specify a month and year, the command will display the calendar for that month and year.

Examples

Here are some examples of how to use the cal command:

To display the calendar for the current month:

cal

To display the calendar for a specific month and year:

cal 12 2022

Options

The cal command has several options that can be used to customize the output. These options are listed in the table below:

Option Description
-1 Display the calendar for the current month in a single column.
-3 Display the calendar for the current month and the previous and next months.
-j Display the day of the year instead of the day of the month.
-m Display the calendar for the current month in a horizontal format.
-y Display the calendar for the current year in a vertical format.

Examples

Here are some examples of how to use the options with the cal command:

To display the calendar for the current month in a single column:

cal -1

To display the calendar for the current month and the previous and next months:

cal -3

To display the day of the year instead of the day of the month:

cal -j

To display the calendar for the current month in a horizontal format:

cal -m

To display the calendar for the current year in a vertical format:

cal -y

Troubleshooting tips

If you are having trouble using the cal command, there are a few things you can try:

  • Make sure you are using the correct syntax for the command.
  • Check the man page for the cal command for more information and examples.
  • If you are still having trouble, try using a different calendar application or tool.

Notes

  • The cal command is a simple and useful tool for displaying calendars in Linux.
  • It can be customized with several options to display the calendar in different formats.
  • The command is particularly useful for system administrators who need to keep track of important dates and schedules.

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