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cal

file managementLinux/Unix
The cal command is one of the most frequently used commands in Linux/Unix-like operating systems. cal Sample fallback description for cal
See ExamplesView Syntax

Quick Reference

Command Name:

cal

Category:

file management

Platform:

Linux/Unix

Basic Usage:

cal [options] [arguments]

Common Use Cases

  • 1

    Calendar display

    Display calendar for current month or specified date range

  • 2

    Date planning

    Plan events and appointments using calendar view

  • 3

    System administration

    Check dates for system maintenance and scheduling

  • 4

    Script automation

    Use calendar data in automated scripts and workflows

Syntax

cal [OPTION]... [FILE]...

Options

Option Description
-l Use a long listing format
-a Show hidden entries starting with .
-h Human-readable sizes
-R List subdirectories recursively

Examples

How to Use These Examples

The examples below show common ways to use the cal command. Try them in your terminal to see the results. You can copy any example by clicking on the code block.

Basic Examples:

ls
List files in the current directory.
ls -l
List files in long format with details.
ls -a
List all files including hidden ones.

Advanced Examples:

ls -lah Detailed list with human-readable sizes. ls -R List directories recursively.

Try It Yourself

Practice makes perfect! The best way to learn is by trying these examples on your own system with real files.

Understanding Syntax

Pay attention to the syntax coloring: commands, options, and file paths are highlighted differently.

Notes

These are sample notes for the cal command.

Common Use Cases

Calendar display

Display calendar for current month or specified date range

Date planning

Plan events and appointments using calendar view

System administration

Check dates for system maintenance and scheduling

Script automation

Use calendar data in automated scripts and workflows

Date calculations

Calculate date ranges and intervals for planning

Related Commands

These commands are frequently used alongside cal or serve similar purposes:

date
ncal
gcal
calendar
when
time
clock
reminder
Explore All Commands

Use Cases

1

Calendar display

Display calendar for current month or specified date range

2

Date planning

Plan events and appointments using calendar view

3

System administration

Check dates for system maintenance and scheduling

4

Script automation

Use calendar data in automated scripts and workflows

5

Date calculations

Calculate date ranges and intervals for planning

Learn By Doing

The best way to learn Linux commands is by practicing. Try out these examples in your terminal to build muscle memory and understand how the cal command works in different scenarios.

See ExamplesTry Lab Exercises
$ cal
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