Mastering UNIX/Linux Shell Scripts

Overview: Mastering UNIX/Linux Shell Scripts is an in-depth and intensive course in shell programming. In a hands-on environment, the participants create and debug shell-scripts, learning the tools to modify the environment, automate system procedures, and improve system performance.

This course comes with close to 300 shell scripts.

Course Length: 5 days

Prerequisites: Attendance of either UNIX Fundamentals or Linux Fundamentals courses, excellent working knowledge of either operating system and familiarity with text editors (preferably with vi). Programming experience is recommended.

Course Topics:

• Introduction to shells
• Redirection and pipes
• File descriptors
• Wildcards
• Background execution and ‘&’
• Command history
• Tilde expansion
• The type command
• Quotation marks
• Using aliases
• Here documents
• exec
• Job control
• Variables (read-only and predefined)
• env, set, unset, read, eval
• Parameters
• The shift command
• set revisited
• Loops
• Arithmetic in the shell
• Functions
• Debugging in the shell
• Handling arrays in the shell
• sed (regular expressions, addressing and grouping commands)
• awk (input loop, fields, predefined awk values, variables, operators, conditions, loops, arrays and associative arrays)
• Summaries (bash shell syntax, variables, vi and emacs editing)