More commands and switches

Learning outcomes:

• Demonstrate finding files with several criteria
• Show the use of ls with wildcards and recursive searches
• Explain how to locate running processes and kill a process

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• Using Switches
• Commands have their own sentence structure
• The basic pattern is "Command Switch Argument"
• Switches give us the ability to get more details and power from commands
• the find command
• Search using find (or locate)
• find -name myfile (basic)
• find /etc -name passwd (within a folder)
• find -name “*.txt” (search by extension)
• find - testfile (case insensitive find)
• Groups, user, file type, dirdctory, empty files, date, last access etc.
• Video: How to use the find command
• Wildcards
• * any number of characters
• ? Single character
• [aA] sets
• Some examples of Symbols
• Processes
• What is Processes in Linux
• How to Kill a Process from the Linux Command Line
• Monzy's kill -9 rap video

Suggested Activities and Discussion Topics:

• Activity: Go to a Linux Emulator or Linux machine and try to solve the following problems using wildcards:
• All files including hidden files
• Files that start with “f”
• Files that start with “f” or “F”
• Files that have “f” or “F” anywhere in the name
• Files that have a digit in the name
• Files that start with a through d
• Files that end with 1 or 2
• Experiment with the find command. Include going to your home directory and using find.

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