Certified Linux Shell Scripting Professional

Certifications are a way to validate your skills and stand out in the crowd. The Linux Shell Scripting remains one of the most powerful tools on a computer system yet a large number of users are unaware of how much can be accomplished with it. Using a combination of simple commands, you will see how to solve complex problems in day-to-day computer usage.

Well, these kinds of certifications can be quite challenging and may require a lot of effort along with strong analyzing skills to relate things to actual business scenario. This certificate will add a star skill to your resume and will help you climb the corporate ladder. Also, this will also depict more professionalism and dedication towards your aim. Let us know about the exam in detail.

Why to take this certification?

This online course will take you through useful real-world examples to make your daily life easy when working with the shell. It will also help you to learn, how to effectively use the shell to accomplish complex tasks with ease. Starting with the basics of the shell, you will learn simple commands and their usages, allowing you to perform operations on different kinds of files.

This is an excellent online course on solving day-to-day problems using the shell and a few powerful commands together to create solutions.

Intended Audience

Job seekers looking for employment in various IT companies, PSUs or MNCs. Certification in Linux shell scripting will benefit professionals working in administration and students across various Industries. IT companies, MNCs, Consultancies hire Linux Shell Scripting professionals for administration related opportunities. Companies employing Linux shell scripting include Capgemini, JP Morgan Chase, TCS, Wipro, Zensar, Accenture, Infosys etc.

How It Works

Select Certification & Register
Receive a.) Online e Learning Access (LMS) b.) Hard copy – study material
Take exam online anywhere, anytime
Get certified & Increase Employability

Test Details

Duration: 60 minutes
No. of questions: 50
Maximum marks: 50, Passing marks: 25 (50%).
There is NO negative marking in this module.
Online exam.

Benefits of Certification

Government certification
Certification valid for life
Lifelong e-learning access
Free Practice Tests
Get tagged as ‘Vskills Certified’ On Monsterindia.com
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Content Outline

This exam has following objectives –

1. Shell Something Out

Printing the Terminal
Playing with Variables and Environment Variables
Function to Prepend to Environment Variables
Math with the Shell
Playing with File Description and Redirection
Arrays and Associative Arrays
Visiting Aliases
Grabbing Information about the Terminal
Getting and Setting Dates and Delays
Debugging the Script
Functions and Arguments
Reading the Output of a Sequence of Commands
Reading n Characters without Pressing the Return Key
Running a Command Until It Succeeds
Field Separators and Iterators
Comparisons and Tests

2. Have a Good Command

Concatenating with cat
Recording and playingback of terminal sessions
Finding files and file listing
Playing with xargs
Translating with tr
Checksum and Verification
Cryptographic Tools and Hashes
Sorting Unique and Duplicates
Temporary File Naming and Random Numbers
Splitting Files and Data
Slicing Filenames Based on Extension
Renaming and Moving Files in Bulk
Spell Checking and Dictionary Manipulation
Automating Interactive Input
Making Commands Quicker by Running Parallel Processes

3. File In, File Out

Generating files of any size
The Intersection and Set Difference (A-B) on Text Files
Finding and Deleting Duplicate Files
Working with File Permissions, Ownership, and the Sticky Bit
Making Files Immutable
Generating Blank Files in Bulk
Finding Symbolic Links and Their Targets
Enumerating File Type Statistics
Using Loopback Files
Finding the Difference between Files, Patching
Using Head and Tail for Printing the Last or First Ten Lines
Listing Only Directories – Alternative Methods
Fast Command-Line Navigation Using pushd and popd
Counting the Number of Lines, Words and Characters in a File
Printing the Directory Tree

4. Texting and Driving

User regular expresions
Searching and mining text inside a file with grep
Cutting a File Column-Wise with Cut
Using sed to Perform Text Replacement
Using awk for Advanced Text Processing
Finding Frequency of Words Used in a Given File
Compressing or Decompressing JavaScript
Merging Multiple Files as Columns
Printing the nth Word or Column in a File or Line
Printing Text between Line Numbers or Patterns
Printing Lines in the Reverse Order
Parsing E-mail Address and URLs from Text
Removing a Sentence in a File Containing a Word
Replacing a Pattern with Text in all Files in a Directory
Text Slicing and Parameter Operations

5. Tangled Web? Not at All!!

Downloading from a web page
Downloading a Web Page as Plain Text
A Primer on cURL
Parsing Data from a Website
Image crawler and downloader
Web photo album generator
Creating a “define” Utility by Using the Web Backend
Finding Broken Links in a Website
Tracking changes to a website
Posting to a Web Page and Reading Response

6. The Backup Plan

Archiving with tar
Archiving with cpio
Compressing data with gzip
Archiving and Compressing with Zip
Faster Archiving with pbzip2
Creating filesystems with Compression
Backup Snapshots with rsync
Version Control-Based backup with Git
Creating entire disk images using fsarchiver

7. The Old-Boy Network

Let Us Ping!
Listing All the Machines Alive on a Network
Running Commands on a Remote Host with SSH
Transferring Files through the Network
Password-Less Auto-Login with SSH
Port Forwarding and Mounting Remote Drives
Network Traffic and Port Analysis
Creating Arbitrary Sockets

8. Put on the Monitors Cap

Monitoring Disk usage
Calculating the Execution Time for a Command
Collecting Information about Logged-in Users, Boot Logs, and Boot Failures
Listing the Top ten CPU Consuming Processes in an Hour
Monitoring Command Outputs with Watch
Logging Access to Files and Directories
Logfile Management with logrotate
Logging with syslogd
Monitoring User Logins to Find Intruders
Remote Disk Usage Health Monitor
Finding Out Active User Hours on a System
Measuring and Optimizing Power Usage
Monitoring Disk Activity
Checking Disks and Filesystems for Errors

9. Administration Calls

Gathering information about processes
Killing Processes and Send or Respond to Signals
Sending Messages to User Terminals
Gathering System Information
Using /proc for Gathering Information
Scheduling with cron
Writing and Reading the MySQL Database from Bash
User Administration Script
Bulk Image Resizing and Format Conversion
Taking Screenshots from the Terminal
Managing Multiple Terminals from One

Preparatory Guide for Certified Linux Shell Scripting Professional

There are unlimited resources for preparation that you can use. Cracking this exam can be difficult for the first time. But with the right set of resources and hard work you can ace the exam in one go. So, you should be very careful while choosing the resources. Make sure to pick the apt resources out of the unlimited resources available, as they will determine how well will you pass the exam. Let us look at some resources that can be beneficial –

Certified Linux Shell Scripting study guide

Step 1 – Review the exam objectives

The first and foremost thing before you start preparing is to get well versed with the objectives of the exam. Exam objectives let you define the framework for preparation and the path that has to be followed in order to pass with flying colors. Knowing about the objectives of the exam is very important as the whole exam is going to revolve around the objectives. This exam revolves around following objectives –

Shell Something Out
Have a Good Command
File In, File Out
Texting and Driving
Tangled Web? Not at All!!
The Backup Plan
The Old-Boy Network
Put on the Monitors Cap
Administration Calls

Refer – Certified Linux Shell Scripting Professional Brochure

Step 2 – Hitting the books

You can choose books that are comfortable for your reading habits and which you understand well. Books are the best-valued resources and first resource that comes to our mind when we think of preparing for any exam. You can find multiple books online or can refer to libraries and bookstores. There are even fantastic books online that can be very useful in preparation. Some books that you can refer to are–

Mastering Linux Shell Scripting by Packt
Expert Shell Scripting by Ron Peters

Step 3 – E-Learning and Study Materials

These online classes and instructor-led courses are one of the most interactive ways of preparing the exam. Learning for the exam can be fun if you have the right set of resources matching your way of studying. Vskills offers you its E-Learning Study Material to supplement your learning experience and exam preparation. They are prepared by the experts of the subject matter and are reliable enough. Many reliable sites provide with very nice instructors and excellent content for the preparation. As we all are habitual of classroom teaching, these classes can serve as a close substitute with the advantage of attending the class anywhere.

Step 4 – Evaluate yourself with practice tests

Your practice is an important determiner of how well you pass the exam. Take as many practice tests and test series as you can. They will help you in determining the level of your preparation, identify your loopholes and identify the weak portions you need to work more upon. There are so many reliable educational sites that provide with amazing content and help you in achieving excellence. Try a free practice test now!