Introduction

The Linux command cal is a command line utility used to display a calendar in the terminal. It is a useful tool for quickly viewing the current month, or for looking up dates in the future or past. It can also be used to display the calendar for a specific month or year. The cal command is available on most Linux distributions and is a great way to quickly check the date or plan out upcoming events.

Examples

The cal command is used to display a calendar in the terminal. It can be used to view the current month, a specific month, or a specific year.

Syntax:

cal [month] [year]

Examples:

To view the current month:

$ cal

To view a specific month:

$ cal 8 2020

To view a specific year:

$ cal 2020

Linux Command Line Basics

The Linux command line is a powerful tool for managing your system. It can be used to perform a variety of tasks, from basic system administration to complex programming. In this article, we’ll cover some of the basics of the Linux command line.

Navigating the Command Line

The first step to using the command line is to open a terminal window. This can be done by pressing Ctrl+Alt+T on most systems. Once the terminal window is open, you can use the cd command to change directories. For example, to move to the /home/user directory, you would type cd /home/user.

Listing Files and Directories

Once you’ve navigated to the desired directory, you can use the ls command to list the contents of the directory. This command will list all the files and subdirectories in the current directory. You can also use the ls -l command to get a more detailed listing, which includes information such as file size, permissions, and modification date.

Creating and Editing Files

The Linux command line also provides tools for creating and editing files. The touch command can be used to create a new file. For example, to create a file named myfile.txt, you would type touch myfile.txt. To edit a file, you can use the nano command. This command will open the file in a text editor, allowing you to make changes.

Running Programs

The Linux command line also provides a way to run programs. To run a program, you can use the ./ command followed by the program’s name. For example, to run a program named myprogram, you would type ./myprogram. You can also use the man command to view the manual page for a program.

Conclusion

The Linux command line is a powerful tool for managing your system. With a few basic commands, you can navigate directories, list files, create and edit files, and run programs. With a bit of practice, you’ll be able to use the command line to perform a variety of tasks.