How to Set Up Command Aliases in Linux/Ubuntu/Debian

Aliases are one of the most time-saving devices. An alias is a way to make a complicated command or set of commands simple. This is best demonstrated by an example.

In web development or computer programming, there are a lot of times we need to recompile some source file. Below we are recompiling a less file and looking at the tail of the result.

Note: The example below can be generalized to any set of commands.

cd /home/myuser/public_html/less/                                                                                                              lessc -c style.less > ../style.csscd ../

Steps to Setting Up Aliases in the bash-shell

Wouldn’t it be easier to just type something like the following?


Luckily for us, this is simple to do in the bash-shell.

1. Open .bashrc

Our  .bashrc file is located in our user directory. Open it in text editor.

$ vim ~/.bashrc

2. Go to the end of the file

In vim, we can accomplish this just by hitting “G” (please note that it is capital).

3. Add the alias

A simple way to chain commands in Linux is to use the && operator. This operator will run a set of commands and only continue to the next command if the previous one was successful. For our example, we might have an alias that looks like this:

aliastailmyless='cd /home/myuser/public_html/less && lessc -c style.less > ../style.css && cd ../ && tail style.css'

This looks complicated but it really isn’t.  Here’s the basic format:

alias aliasname='commands'

There cannot be a space between the “aliasname” and the EQUAL sign. Also, there can’t be a space between the EQUAL sign and the opening quote for the command.

4. Write and close the file

In vim, hit ESCAPE to get to normal mode and run the following command to write and quit:


5. Install the .bashrc

The new .bashrc would be installed the next time we log out and log back in, but if you are impatient like me and just want it installed now, you can just source the file.

$ source ~/.bashrc

Well, that’s it. Now we can alias until our heart’s content. Remember, a few seconds saved here and there can dramatically increase our efficiency!

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One must understand that decision to learn new programming language should solely be based on following 3's.

  • Your aspirations
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  • Your project's need
  • In this article we are going to discuss top 5 programming languages recommended for 2019. We will also touch briefly on the importance of each language.


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    Python can be used develop a wide range of applications. 

    Python Applications


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    Data Analytics: Python is the most preferred language in the fields of data science, statistics, analytics, ML. Even facing tough competition from R (statistical language) Python has sustained as it is a customary purpose programming language and used not only for statistical programming, but is also well accommodated for building games, websites, business applications,  and much more.


    Science and Numeric Purposes: Python is widely used by most of the data scientists because of its library compilation which is devised for statistical and numerical analysis


    • SciPy - it is a collection of packages for mathematics, science, and engineering.
    • Pandas - A package extensively used for data analysis and modelling
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    • Static typing and efficiency (offered by C++ or Java)
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    The language has raised lots of hope for the upcoming class of coding geeks.As it has features of Python, JS, Java. But it is slowly becoming one of the most assuring languages to study and adopt in the future.


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