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Bash Programming

OMG! Finally, I am getting into scripting ;) I have always wanted to know some basic scripting to automate my system admin workload, and finally, I have decided to dive into that realm, enjoy my bash tutorials.
  • read prompts in bash script

    read prompts in bash script

    We've previously taken a quick look at the builtin read command, where we use the built-in read to populate the $REPLY variable, which holds the value of read when a variable is not supplied to read

  • Limiting The Number of Entered Characters In read prompt

    Limiting The Number of Entered Characters In read prompt

    We previously looked at the way we could utilize the read prompts in bash, here is the script we wrote in out last guide: #!/bin/bash read -p "What is Your Name? " name echo "Your Name is $name" exit

  • Sourcing With Bash

    Sourcing With Bash

    Generally, to run a bash program or script you need to add a permission bit, which makes the program or script executable and you then run it whenever you like, the thing is when execution starts, a

  • Create Multiple Files at Once Using Brace Expansion in BASH

    Create Multiple Files at Once Using Brace Expansion in BASH

    Chances are you've come across expansions in BASH, whenever you are going back to the user home directory, we use the cd command alongside a tilde character (~), e.g: cd ~ This would take you back to

  • Using read in a Bash Script

    Using read in a Bash Script

    We previously looked at using echo with options in a shell, in this guide we would combine it with read command to prompt for user input. Create and open up a new text file: nano $HOME/bin/hw3.sh Ad

  • Adding Comment To a Script

    Adding Comment To a Script

    In shell scripting, a comment is a readable explanation in a script that is ignored by the interpreter, you can either add a comment about what the script does or you can write a comment about what a

  • Pipes and Redirection in Bash

    Pipes and Redirection in Bash

    Piping is the process where the result of one command is sent or pipe (redirect) into another command. A good example of this is piping the output of ls command into wc (count) for counting the numbe

  • Working With Variables In Bash

    Working With Variables In Bash

    A variable is a value that can change depending on conditions or data passed to the program. To work with the variable in bash, here are what you need to know: A variable name cannot start with a nu

  • How To Find Out Who Is Logged In On a GNU/Linux Server

    How To Find Out Who Is Logged In On a GNU/Linux Server

    Sometimes you just want to find out the bugged logged into your system ;), It might be your co-worker or friends. To find out who is logged in including the time they logged in, you can use the whoc

  • Properly Naming a Bash Scripts

    Properly Naming a Bash Scripts

    Last week, I wrote a basic intro on bash shell scripting in this guide, we would take a look at how to name a script properly. Let's get this straight, we mostly do name things abruptly in the real

  • Using echo with Options in a Shell (With Examples)

    Using echo with Options in a Shell (With Examples)

    The echo command is one of the most used shell built-in command, and as you have probably guessed, it is used to print a line of text to standard output (the screen). It sends a copy of an input sign

  • Getting Started With Bash (Introduction)

    Getting Started With Bash (Introduction)

    This is my first post on bash scripting, and I decided to delve into bash scripting because I am tired of doing repetitive tasks manually. So, if you ask me why use bash? My answer would be, if you w