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Korn & Bash Shell Programming

at Certstaffix Training - Laurel

Course Details
$1,740 4 seats left
Start Date:

Mon, Feb 08, 10:00am - Feb 10, 5:00pm Eastern Time (3 sessions)

Laurel, Downtown, Washington, D.C.
14502 Greenview Dr Ste 300A
Near Laurel Bowie Rd
Laurel, Maryland 20708
Class Level: All levels
Age Requirements: 18 and older
Average Class Size: 3

Flexible Reschedule Policy: This provider has flexible, free rescheduling for any-in person workshop. Please see the cancellation policy for more details

What you'll learn in this programming class:

The vast majority of users utilize the Korn Shell or some variant of the Bourne Shell, such as bash. This course covers both of these shells. It begins with a generalized tutorial of Unix and tools and then moves into detailed coverage of shell programming.

Course Outline

I. Introduction to UNIX and Shell Tools.

Hour 1. Shell Basics.
  • What Is a Command?
  • What Is the Shell?
Hour 2. Script Basics.
  • The UNIX System.
  • Shell Modes and Initialization.
  • Getting Help.
Hour 3. Working with Files.
  • Listing Files.
  • File Contents.
  • Manipulating Files.
Hour 4. Working with Directories.
  • The Directory Tree.
  • Switching Directories.
  • Listing Files and Directories.
  • Manipulating Directories.
Hour 5. Input and Output.
  • Output.
  • Input.
  • File Descriptors.
Hour 6. Manipulating File Attributes.
  • File Types.
  • Owners, Groups, and Permissions.
Hour 7. Processes.
  • Starting a Process.
  • Listing and Terminating Processes.
  • Parent and Child Processes.
II. Shell Programming.

Hour 8. Variables.
  • Working with Variables.
  • Environment and Shell Variables.
Hour 9. Substitution.
  • Filename Substitution (Globbing).
  • Variable Substitution.
  • Command and Arithmetic Substitution.
Hour 10. Quoting.
  • Quoting with Backslashes.
  • Using Single Quotes.
  • Using Double Quotes.
  • Quoting Rules and Situations.
Hour 11. Flow Control.
  • The if Statement.
  • The case Statement.
Hour 12. Loops.
  • The while Loop.
  • The for and select Loops.
  • Loop Control.
Hour 13. Parameters.
  • Special Variables.
  • Options and Arguments.
  • Option Parsing in Shell Scripts.
Hour 14. Functions.
  • Using Functions.
  • Understanding Scope, Recursion, Return Codes, and Data Sharing.
Hour 15. Text Filters.
  • The head and tail Commands.
  • Using grep.
  • Counting Words.
Hour 16. Filtering Text with Regular Expressions.
  • The Basics of awk and sed.
  • Using sed.
Hour 17. Filtering Text with awk.
  • What Is awk?
  • Using awk Features.
Hour 18. Other Tools.
  • The Built-In Commands.
  • The sleep Command.
  • The find Command. xargs.
  • The expr Command.
  • The bc Command.
III. Advanced Topics.

Hour 19. Signals.
  • How Are Signals Represented?
  • Dealing with Signals.
Hour 20. Debugging.
  • Enabling Debugging.
  • Using Syntax Checking.
  • Shell Tracing.
Hour 21. Problem Solving with Functions.
  • Library Basics.
  • Creating a Library.
Hour 22. Problem Solving with Shell Scripts.
  • Startup Scripts.
  • Maintaining an Address Book.
Hour 23. Scripting for Portability.
  • Determining UNIX Versions.
  • Techniques for Increasing Portability.
Hour 24. Shell Programming FAQs.
  • Shell and Command Questions.
  • Variable and Argument Questions.
  • File and Directory Questions.
Headsets for free, Guaranteed to Run, Re-Takes for free (Up to 6 months), Interactive Classroom environment.

Registration Note: We can only accept students into our classes whose tuition is being paid by an employer or sponsoring organization. Self-paying individuals cannot enroll.

School Notes:

Courseware (if a course has a Courseware) will be shipped to the address provided two weeks before the class starts. Make sure that the additional info field is properly and correctly filled out to avoid Courseware being lost in transit. Please also note that P.O. Box addresses are not allowed.

Certstaffix Training offers instructor-led live training classes that can be taken from your home or work. We also have real physical locations where students can go and connect to class in a quiet office with a computer that we provide. Our instructors teach from a remote location while being able to interact with students as in a traditional classroom setting.

Instructors can view student progress and take control of their PC to provide direct assistance. Students can see the instructor's presentation as well as voice questions directly to the instructor and participate in class discussions.

Still have questions? Ask the community.

Refund Policy

Note: This provider has a temporary cancellation policy for COVID-19 related cancellations which is as follows: 

All of our classes are offered live online and any student with a computer and an internet connection can take class from their home or anywhere else they feel comfortable. For customers who are concerned about COVID-19 with regard to attending classes from one of our computer labs, please know that you can switch to attend from home up to the day before class. We just ask that you notify us so we can send them class connection information and inform the center staff that they won’t be coming in for class. 

With regard to our computer labs, each one holds a maximum of only two students per room so no student will need to be in close proximity to any large group of people. We’ve also asked the centers that host our computer labs to disinfect all keyboards/mice/surfaces, etc. after each use and requested that they provide hand sanitizer to our students. That being said, we definitely understand if a student would feel more comfortable taking class from their home.  

We purchase and ship books to students two weeks before their class date and we are charged for any computer lab booking if not cancelled within a week of the booking date, so we would not be able to fully refund a student who wants to cancel less than two weeks before class without incurring a financial loss to us that we would not be able to recover. With the attend from home option, students do hava a choice to stay home and still get their training. Students can also choose to postpone their training to a later date if they wish. 


Original cancellation policy (non-COVID-19):

You can cancel or reschedule your registration without penalty or charge provided you give notice of 10 business days (M-F) or more days before the start of my class.

If you request to cancel or reschedule your registration 10 Business Days (M-F) or less days before the class start you will be charged 100% the course fee and will not be entitled to a refund. You have one (1) opportunity to use our Make-Up policy to have those funds applied to a later class date.

You cannot change your class location ten (10) Business days (M-F) or less before the class start because Certified Staffing Solutions has shipped training materials and provisioned resources. Location changes requested prior to that timeframe are subject to availability and may incur an additional charge.

Should Certified Staffing Solutions need to cancel your class due to insufficient enrollment, or postpone it due to events beyond their control, Certified Staffing Solutions will notify you as soon as possible. In such cases, you may reschedule to a future class date at no additional charge or receive a refund for any money on account relating to that registration.

Travel arrangements and costs are the sole responsibility of the student. Certified Staffing Solutions suggests obtaining refundable reservations. Certified Staffing Solutions classes are confirmed approximately 14 days before the start of the class. We cannot guarantee class commitments before that window of time. Certified Staffing Solutions will not be responsible for any cancellation costs incurred, including but not limited to, airline/mass transit tickets, hotel reservations and so on.


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Start Dates (1)
Start Date Time Teacher # Sessions Price
10:00am - 5:00pm Eastern Time Remote Instructor 3 $1,740
This course consists of multiple sessions, view schedule for sessions.
Tue, Feb 09 10:00am - 5:00pm Eastern Time Remote Instructor
Wed, Feb 10 10:00am - 5:00pm Eastern Time Remote Instructor

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Certstaffix Training

Certified Staffing Solutions specializes in providing computer training and instructors nationwide. Our instructors are professional trainers and utilize hands-on exercises to reinforce lecture. Each averages more than 5 years delivering classes to business professionals.

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