Many commands can be used together thanks to pipes. Explore what pipes are and how to use them.
- [Instructor] At the command line,…we use pipes to take the output of one command…and send it to another.…You can think of commands as little processing nodes…that do one particular thing…and pipes as connections between those nodes.…The pipe character,…which is represented as a vertical bar,…or sometimes as a vertical bar…with a little break in the middle,…is usually the Shift character on the backslash key,…which is found above Enter or Return on a U.S. keyboard.…If you're using a different keyboard,…you may need to look around for the symbol.…
Searching on the internet should give you a good idea…of where to find it on your keyboard.…We type this character in between commands…that we want to be piped together.…Throughout the course,…I'll put a space on either side of it…so it's easier to see,…but it doesn't need to have spaces.…Let's take a look at using pipes at the command line.…To do this,…I'm going to introduce you to a few more commands.…The first is echo,…which prints out whatever you give it.…For example, I'll write echo "hello",…
- Recognize what the characters “-h” represent in the statement “df –h/home/alice/Documents”.
- Explain how to recall a previous command in Bash.
- Identify what the command “ls -l” will show.
- Recall what is needed to use the find command to look for files by name, size, and so on.
- List the two modes file permissions can be set to.
- Recall why many command line tools are intended to be used in pipes with other commands.
- Explain what the command “grep -E "" report.txt” will show.
- Identify what the “>” symbol is often used for.
Skill Level Beginner
Learning SQL Server Development on Linuxwith Joey D'Antoni1h 54m Intermediate
What you should know1m 51s
1. Setting Up Your Environment
2. Command-Line Basics
3. Files, Folders, and Permissions
4. Common Command-Line Tasks and Tools
5. A Peek at Some More Advanced Topics
Next steps1m 28s
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