UNIX Shell Programming Part 1: Bourne Shell (Bash)

Audience

The intended audience for this course are programmers working in a UNIX environment.

Objective

• Identify features of Bourne and bash shells.
• Match shell types with their main features.
• Set access permissions on a file.
• Identify features of standard input and output.
• Identify features of pipes and filters.
• Identify the procedure used to redirect commands through a pipe.
• Identify considerations for using functions.
• Identify the features of signals.
• Perform the action to trap signals.

Topics Include

Unit 1: Introduction to Bourne Shells

• Identify features of Bourne and bash shells.
• Match shell types with their main features.
• Set access permissions on a file.
• Sequence the steps for scheduling processes using crontab.
• Schedule a process by using the at command.
• Identify features of the grep command.
• Identify features of the sed command.
• Identify options available with the sed command.
• Identify features of sed scripting.
• Identify features of the bash shell user environment.
• Identify functions of Wildcards.
• Identify functions of basic regular expressions.
• Identify features of pattern matching.
• Identify features of command line editing.
• Create a bash shell script.
• Identify features of quotes and special characters.
• Identify features of variables.
• Set a shell variable.
• Identify the methods to declare variables.

Unit 2: Interaction and Programming

• Identify features of standard input and output.
• Identify features of pipes and filters.
• Identify the procedure used to redirect commands through a pipe.
• Identify functions of the read command.
• Identify methods to display results to standard output.
• Identify the features of basic arithmetic.
• Identify features of using arguments in a shell script.
• Perform the action to parse a command line input by using the getopts command.
• Identify features of functions.
• Identify the operators of the test command.
• Identify features of flow control.
• Identify features of the case command.
• Create a simple loop by using the for command.
• Identify the syntax of the select command.
• Identify the functions of the while and until commands.
• Identify the functions of the break and continue commands.

Unit 3: Bash Shell Programming

• Identify considerations for using functions.
• Identify the features of signals.
• Perform the action to trap signals.
• Identify the features of arrays.
• Identify features of variable modifiers.
• Identify the features of the eval command.
• Identify features of process handling.
• Identify features of multiple processes.
• Identify characteristics of subshells.
• Identify the functions of the set command.
• Identify features of fake signals.

Duration

8

Minimum Requirements

The CDROM version of this course requires:

• At least a 486DX 33Mhz CPU.
• Microsoft Windows 3.1 or higher and a Microsoft compatible mouse.
• At least 8MB RAM.
• At least VGA graphics capability with a minimum 512K video RAM (1MB video RAM recommended).
• At least a double speed CDROM drive.
• An MPC compliant sound card with attached speakers or headphones is recommended (Currently only the CDROM version supports audio).

• At least a 486DX 33Mhz CPU.
• Microsoft Windows 3.1 or higher and a Microsoft compatible mouse.
• At least 8MB RAM and 22MB available hard disk space or file server space.
• At least VGA graphics capability with a minimum 512K video RAM (1MB video RAM recommended).

Media