Linux – BASH Programming (LNX4)

Unix-like systems, Linux - administration

This course teaches practical shell scripting on Linux with hands-on labs. It focuses on core shell constructs, variables and parameters, and control flow so you can automate routine tasks and streamline system administration.

Through practical labs you'll learn to write robust, maintainable scripts with debugging, error handling, and managing processes and signals. The course also teaches using grep, sed and awk for efficient text processing and log analysis.

THIS TRAINING COURSE WILL HELP YOU:

  • Automate repetitive admin tasks in Linux using BASH scripts
  • Create, structure and debug robust shell scripts
  • Use variables, positional parameters and getopts for input
  • Control flow with conditions and loops
  • Process text and logs with grep, sed and awk

WHO SHOULD ATTEND?

  • System administrators
  • DevOps engineers
  • Tool and script developers
  • IT operators and support staff

COURSE LOCATION AND AVAILABLE DATES



Choose whether to attend in person in our classroom or join online. You can select your preferred format during registration. Learn more about hybrid training.
Praha + online (optional)
Private training

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Course content:

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  • Introduction
    1. Overview of basic UNIX shell constructs
    2. Scripting options and shell types
    3. Metacharacters
    4. Files and file operations
    5. I/O redirection, file descriptors
    6. Processes and process control
    7. Running scripts
    8. Comments
  • Variables
    1. User variables
    2. Environment variables
    3. Variable attributes and export
    4. Positional parameters
    5. Special variables
  • Decision making
    1. Exit codes
    2. test command and its syntax
    3. Conditional execution and if
    4. case command
    5. Special constructs
  • Arithmetic
    1. Calculations with expr, let and bc
  • Loops
    1. while, until, for loops
    2. break and continue
  • Selected built-in commands
    1. Printing output: echo, print, printf
    2. Reading input: read
    3. Parsing arguments: getopts
  • Advanced shell features
    1. Shell options and set
    2. Shell functions, parameter passing, return
    3. Aliases
    4. Working with arrays
    5. Process signaling and trap
    6. How the shell processes command lines, eval
  • Text processing
    1. Working with string variables
    2. Intro to regular expressions and grep
    3. sed
    4. Text processing with awk
Prerequisites:
Basic knowledge of Linux system administration.
Recommended previous course:
Linux – Basic Administration (LNX1)
Recommended follow-up course:
Linux – System and Network Security (LNX5)
Schedule:
3 days (9:00-17:00)
Price per person:
540.00 € ( 653.40 € incl. 21% VAT)

Training and learning environment

IT classroom with desks, computer monitors, and a projection screen at the front.
What does the environment for in-person IT courses look like?We hold training courses in our own classrooms equipped with modern computer equipment for each participant and a large projection screen. Each workstation is fitted with a powerful computer for seamless practical exercises, and the environment supports a calm, friendly atmosphere during training.
IT classroom with desks, computer monitors, and a projection screen at the front.
Do I need to bring my own laptop to the classroom IT course?Our training rooms are fully equipped, so you do not need to bring your own laptop. A modern computer with all necessary hardware and software is ready for you at your workstation.
Sample ICT Pro certificate of successful completion of an IT training course.
Will you receive an official certificate after completing an IT course?Yes, upon successful completion of the training course, you will receive an official ICT Pro certificate confirming your participation and acquired technical skills. You can use it to verify your qualifications or add it to your professional profile.
Exterior view of the COMGUARD office building on Sochorova Street in Brno.
Where can you find our training center in Brno?The premises of the ICT Pro training center are located on the 1st floor of the COMGUARD building at Sochorova 38 in Brno. Positioned on the border of Žabovřesky and Komín, the location is easily accessible by both car and public transport.
Exterior view of the Opatov Park office building in Prague, Chodov.
Where can you find our training center in Prague?The premises of the ICT Pro training center are located on the 1st floor of the Opatov Park building at Líbalova 1, Prague 11 – Chodov. The location provides a comfortable environment for your education with convenient access.
Fully equipped kitchenette with a coffee machine, microwave, sink, and shelves with cups and glasses.
What facilities and refreshments are available to you during training breaks?Our training centers feature a fully equipped kitchenette for a comfortable break during your courses. The facilities include a coffee machine, microwave, kettle, and a wide selection of drinks and snacks.
Coffee station featuring an automatic coffee machine, yellow and white cups, glasses, and syrups.
What beverage refreshments are available during your course?A beverage station with a coffee machine, teas, syrups, and water is at your disposal throughout the entire training session. You can enjoy a coffee or another drink of your choice anytime during breaks.
Table with sweet pastries, fruit syrups, a water dispenser, and glasses set up for training participants.
What light refreshments are provided for you during the courses?During course breaks, participants can enjoy light sweet snacks, pastries, and fruit syrups to mix their own drinks. Fresh water dispenser and plates are also available for your convenience.
Wicker baskets filled with packaged savory snacks, sweet biscuits, and snack bars.
Should I bring my own snacks to ICT Pro training?There is no need to. A wide selection of savory snacks, sweet biscuits, and snack bars is available for you during breaks. Boost your energy for all-day focus right inside the training center premises.
Outdoor wooden terrace with green surroundings by the glass building of the training center.
Can you spend training breaks in the fresh air?Yes, an outdoor terrace is available at our training center. During breaks between learning sessions, you can relax in the fresh air in a pleasant green environment.
Spacious outdoor wooden terrace with seating and views of the surrounding area.
Where can you relax during course breaks?Our training center features a spacious outdoor terrace with seating options. During breaks between learning sessions, you can step outside to relax and recharge in the fresh air.