Linux/UNIX fundamentals

This course gives a general introduction to UNIX and to Linux. It applies to all UNIX variants (AIX, Solaris, HP-UX, ...) and all Linux distributions (Red Hat, Fedora, Debian, Ubuntu, zLinux, ...).

The course mainly treats the user aspects of the operating system, not so much the system aspects. In addition to basic topics like the file system and the shell, and conceptual similarities and differences with other operating systems, it mainly focuses on the basic UNIX command set. Part of the course is dedicated to a sufficiently in-depth treatment of the vi editor. An important amount of time is spent on practical exercises.


No public sessions are currently scheduled. We will be pleased to set up an on-site course or to schedule an extra public session (in case of a sufficient number of candidates). Interested? Please let us know.

Intended for

All potential users of UNIX or Linux, whether end-user, analyst, application developer or administrator.


Some general knowledge of computing principles is required. No UNIX or Linux background is necessary. Knowledge of a different operating system or of a programming language could be an advantage but is not needed.

Main topics

  • Introduction:

history and philosophy of UNIX and Linux • UNIX variants • organisation of the kernel • applications under UNIX/Linux

  • Generalities:

log on • basic commands • the shell and elementary commands • processes • on-line help

  • File system:

file and directory structure • file listing and manipulation commands • file security

  • Shell:

use of the Korn and bash shells • redirecting and pipes • wildcards • shell commands and shell variables • substitution

  • Editor:

vi • different modes of operation (command — text editing) • find and replace • edit of different files • save

  • Data tools:

find & locate (looking for files) • grep (looking for text patterns in a file or data stream) • sort • diff • cut & paste • combined use of filters and pipes

  • Shell scripts:

basic principle • sh, ksh, bash: differences • quoting • passing parameters • here documents • return codes • signals

Training method

Classroom instruction with hands-on exercises.


4 days.

Course leader

Koen De Backer, Peter Vanroose, Kris Van Thillo.


4.2/5 (based on 18 evaluations; the most recent ones are shown below)

course was useful and very practical.

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The course delivers the expected content of a 'fundamental course'. It is a well organized course.

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Heel interessant, perfect op mijn niveau. Het idee van 8 halve dagen stond me ook erg aan.

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Prima cursus om een start te maken met Linux.

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Eén van de betere cursussen die ik gevolgd heb.

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tres bonne formation de base

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Een leerijke cursus, waarbij het niv tochwel hoog lag voor mij persoonlijk. maar heb mij er dan wel zo goed mogelijk proberen door te gaan.

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Voldeed aan verwachtingen aangezien reeds summiere kennis van Linux. Deze cursus zorgde voor de nodige verklaring& diepgang van fundamentele begrippen, werking,commando's... etc. Resultaat:veel beter begrip,begrijpen wat men heeft gekopieerd of gegoogled

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The course level is very good. The instructor is very experience and can explain the source materials very well.

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