Unix Introduction — A 3-Day Course

 Open Public Course Closed In-House Course

Synopsis

This course introduces the delegate to the main concepts of the UNIX Operating System. The most commonly used commands and utilities are described in detail as are the command line wildcard and redirection facilities. The mechanisms by which a user acquires a login environment are discussed and the main features of the Korn/Posix/Bash Shells are introduced.

The delegates will practise:

• Creating, copying, renaming, moving and deleting files and directories
• Using the shell's redirection and pipe facilities
• Editing text files using the vi editor
• Setting and changing access permissions on files
• Monitoring and controlling their own processes
• Using the basic file and text searching utilities
• Customising their own login environment

Course Objectives

To provide the skills needed to work productively in the UNIX environment.

Suitable for

• Anyone who needs to understand and use the UNIX Operating System.

Prerequisites

• Experience of IT and an understanding of operating systems is required.

Publicly scheduled dates, locations, and prices

Contents:

Introduction to the Unix Operating System

• A brief history of Unix
• The Unix kernel
• The UNIX file system
• Getting started navigating the file system
• The file system structure
• Directories and files
• Pathnames
• Navigating the file system
• Exercise: Logging on to the system
• Exercise: Navigating the file system

Basic Commands

• Command line syntax
• Basic file handling commands
• Directory handling commands
• Filename wildcard characters
• Exercise: Manipulating files and directories

Redirection and Pipes

• Input redirection
• Output redirection
• Pipes
• Exercise: Using redirection and pipe facilities

Introduction to The vi Editor

• Overview of the vi editor
• Basic functions
• Switching to input mode
• Other useful commands
• Exercises: Using the vi editor
• Exercise: Using more advanced vi features

Searching and Replacing Text

• Replacing text
• Using the vi editor
• Using sed for search and replace
• Searching for text with grep
• Linking files
• Exercises: Searching and Replacing Text

Recalling and Editing Commands

• Overview
• The bash shell
• The korn shell
• Exercises: Recall and Edit Commands

File Permissions and Access Control

• Users and user groups
• File access permissions
• Changing file attributes
• Switching users and user groups
• Linking files
• Exercise: Setting and access permissions

Processes

• What is a process?
• Monitoring processes
• Killing processes
• Background processes
• Job Control
• Grouping commands
• Exercise: Monitoring and controlling processes

More Basic Commands

• The wc (word count) command
• The find command
• The cut command
• The sort command
• The finger command
• Exercise: Using file handling commands

The User Environment

• Customising the .profile or .bash_profile
• Customising the .kshrc or .bashrc
• Exercise: Setting up an environment