UNIX Tutorial - UNIX Shells

UNIX Shells - Bourne, Korn, and C presents the three shells that are typically available on a UNIX system. It describes how to get the most out of the three shells, and describes the advantages and disadvantages of each shell.

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UNIX Shells

Shell Programming

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System Administration 2

Process Management

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This course is for anyone who is new to UNIX or who wants to expand what they already know about UNIX. Our UNIX Shells tutorial offer unique benefits unavailable from other self-paced training vendors. Each course is developed using a rigorous set of criteria that includes quality content, interaction, graphics, and interspersed questions, making learning fun, interesting, and effective.

• describe what a shell is
• describe what a shell does
• describe how a shell relates to the overall system
• store data in variables
• customize the environment with environment variables
• identify the specific features of each shell
• choose the appropriate shell for the situation

• What Is a Shell?
  Describes the three shells that are typically available on a UNIX system: Bourne, Korn, and C.
  • The kernel and the shell
  • Explaining the functions of a shell
  • Interpretation of command lines
  • Initiating the program
  • Maintaining variables

• Bourne Shell
  Explains how to get the most out of the Bourne shell, one of the most commonly used and widely available UNIX shells.
  • Building the foundation with Bourne shell basics
  • How the shell interprets commands
  • Entering simple commands
  • Executing Bourne shell options
  • Creating Bourne shell variables
  • Customizing the shell

• Korn Shell
  Introduces the Korn shell and describes the advantages and differences of this language versus using the Bourne shell.
  • Wildcard expressions and command substitution
  • Utilizing Korn shell aliases
  • Manipulating and accessing command history in Korn shell
  • Implementing command editing techniques
  • Creating Korn shell variables
  • Customizing the Korn shell using an extensive amount of features

• C Shell
  Describes the C shell and its many features for managing resources, optimizing command usage, and job control.
  • The basics of invoking C Shell
  • Utilizing command names as shell input
  • Working with directories and stacks
  • Changing the active shell
  • Echoing arguments to standard output
  • Implementing C shell specific options, aliases, and variables
  • Customizing the C shell environment and job control
  • Using the C shell's hash table

• Instructional steps -- walk through a procedure
• Exercises -- try it out
• Notes - See additional information related to the topic in the text
• Tips - See a different, faster, or easier way of doing something
• Quick References - See a quick reference guide to the features introduced in a chapter
• Details - Display more detailed information related to the current topic
• Hotwords - See related information
• Navigation Bar - Maneuver easily through the courses
• Topics and Index -- with searching feature and hyper-links
• Printable Exercises - PDF downloadable files
• Sample Application Files - PDF downloadable files
• Skill Assessment - can be used for pre and post-testing -- tracking first try, best try and grade - if passed, green check mark will appear as 'mastered' - hyperlinks to units within the course to go back and re-take a certain unit again. Use as pre-test to determine which topics you want to focus on and to go directly into that unit.

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