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CU110 - Fundamentals of UNIX

Course Description: This course provides a comprehensive introduction to the full range of UNIX user commands and utilities. Students will develop shell programming and vi editing skills.

Audience: End-users and programmers who are new to the UNIX environment.

Prerequisites: None

Course Contents

Introduction

  • Course objectives
  • Course overview
  • Suggested references and readings
  • Getting Started

  • What is UNIX?
  • A brief history of UNIX
  • Logging in
  • Logging out
  • Try a few more commands
  • Changing your password
  • Using on-line manuals
  • The File System - Files

  • What is a file?
  • The ls command
  • The cat command
  • The more and pg commands
  • The head and tail commands
  • The cp command
  • The mv command
  • The rm command
  • File names
  • The File System - Directories

  • Hierarchical file system
  • Pathnames
  • The pwd command - print working directory
  • The cd command - change directory
  • The mkdir command - make directories
  • The rmdir command - remove directories
  • The cp command - copy files
  • Two useful directory names - . and ..
  • Editing With vi

  • What is vi?
  • The vi buffering process
  • Command mode and insert mode
  • Modes diagram
  • Getting started
  • Moving the cursor around
  • Inserting text

  • Deleting a character or line
  • Undo last command
  • Opening a new line
  • Save your work or abort the session
  • Review of vi commands
  • More Editing With vi

  • Scrolling the buffer
  • Cursor motion commands - w, W, b, B, e, E
  • Cursor motion commands - $, ^, 0, G
  • Cursor motion commands - f, t, F, T
  • Delete operator - d
  • Change operator - c
  • Yank operator - y
  • Put commands - p, P
  • Searching for a pattern - /, n, N, ?
  • The join command
  • The file command - :f
  • Edit file command - :e
  • Cut and paste between files
  • Read file command - :r
  • Set options command
  • Set options command - .exrc file
  • Personal Utilities

  • The date utility
  • The bc utility
  • The expr utility
  • The cal utility
  • The news utility
  • The id utility
  • The uname utility
  • The finger utility
  • The script utility
  • The clear utility
  • Appendix: The at and crontab utilities
  • Text Handling Utilities

  • The grep utility
  • The tr utility
  • The cut utility
  • The paste utility
  • The sort utility
  • The wc utility
  • The diff utility
  • The lp utility
  • File System Security

  • File permissions
  • The chmod utility
  • Directory permissions
  • The umask command
  • File System Management Utilities

  • The find utility
  • The df utility
  • The du utility
  • Compressing files
  • The ln utility
  • The ulimit utility
  • The tar utility
  • Communication Utilities

  • The write and talk utilities
  • The mesg utility
  • Mail overview
  • The mail utility
  • The mailx utility
  • elm - electronic mail
  • Sending mail with elm
  • Reading mail with elm
  • Customizing elm
  • elmrc example
  • Using the Shell

  • What is a shell?
  • Which shell?
  • The command line
  • Standard input, standard output and standard error
  • Using default standard in and standard output
  • I/O redirection
  • Appending output of a file
  • Pipes
  • The tee utility
  • Filename Generation

  • Filename generation
  • The ? special character
  • The * special character
  • The [ ] special characters
  • The ! special characters
  • Introduction to Shell Programming

  • Shell programming objectives
  • Overview
  • Suggested references and reading
  • UNIX Processes

  • What is a process?
  • Process structure
  • The ps utility
  • Options to the ps utility
  • Background commands (&)
  • Killing background processes
  • Redirecting the standard error
  • Shell Programming Concepts

  • What is a shell?
  • What is a shell script?
  • Why use shell scripts?
  • Flow Control

  • The exit status of commands
  • Command line examples
  • The test command
  • The if-then-else construct
  • The elif construct
  • A loop example
  • Variables

  • User created variables
  • The shell environment
  • The export command
  • Sub-shells
  • Command substitution
  • Quoting mechanisms
  • Assigning variables - summary
  • Special Variables

  • Command line arguments
  • $# - Number of arguments
  • The shift command
  • $* - All arguments
  • $$ - PID of shell
  • More Flow Control

  • The for loop
  • The while loop
  • The case construct
  • Appendix: Korn shell features

  • Viewing your command history
  • Editing and re-executing commands

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