calcurse:tldr:d4a01

The "calcurse" command is a text-based personal organizer and calendar application for Unix-like systems. It allows you to manage and keep track of your appointments, tasks, and events in a terminal interface.

When you run the "calcurse" command, it launches the calcurse application with its various functionalities. Here are some key features:

1. Calendar: You can view and navigate through a calendar displaying days, weeks, or months. It provides a month-wise view of your events and appointments.

2. Appointments: You can schedule appointments by specifying the date, time, and description. Calcurse allows you to set recurring appointments, display notifications, and manage conflicts in case of overlapping events.

3. Tasks: You can create and manage a to-do list with tasks. Tasks can be marked as completed, prioritized, and assigned due dates. Calcurse allows you to see upcoming tasks and reminders.

4. Alarms: You can set alarms to get notified about upcoming events or tasks. These alarms can be customized to trigger at specific times before the event or task.

5. Import/Export: Calcurse enables you to import/export data in various file formats. This allows you to transfer your calendar information to other applications or synchronize it with external calendars.

Overall, "calcurse" provides a lightweight and efficient way to manage your schedule and stay organized, primarily through a command-line interface.