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10
src/day_1/terminal_basics.md
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@ -134,7 +134,7 @@ $ ls happy_house
friend1.txt friend2.txt friend1.txt friend2.txt
``` ```
We did verify that `friend2.txt` was moved. We verified that `friend2.txt` was moved.
Let's move `friend3.txt`, too. Let's move `friend3.txt`, too.
Enter `mv friend3.txt happy_house/loud_friend.txt`. Enter `mv friend3.txt happy_house/loud_friend.txt`.
Take a look at the content of your directory now: Take a look at the content of your directory now:
@ -322,7 +322,7 @@ No zombies!
No loud housemates! No loud housemates!
``` ```
We did use `cat` 😺 to only print the content of the file `rules.txt` without opening it with an editor. We used `cat` 😺 to only print the content of the file `rules.txt` without opening it with an editor.
`cat` 🐈️ stands for _concatenate_. `cat` 🐈️ stands for _concatenate_.
This does not sound like printing file content!? This does not sound like printing file content!?
This is because `cat` 🐱 can be used to concatenate the content of multiple files. This is because `cat` 🐱 can be used to concatenate the content of multiple files.
@ -434,7 +434,7 @@ $ wc -l -w rules.txt
We see that we get the number of lines and then the number of words. We see that we get the number of lines and then the number of words.
We did learn how to access and read the manual, but how do we navigate the manual? We learned how to access and read the manual, but how do we navigate the manual?
If you open a manual with `man`, you can scroll up and down using the arrow keys. If you open a manual with `man`, you can scroll up and down using the arrow keys.
You can search by pressing `/`, then enter what you are search for, `lines` for example, and then press `Enter`. You can search by pressing `/`, then enter what you are search for, `lines` for example, and then press `Enter`.
@ -493,10 +493,10 @@ No zombies!
No loud housemates! No loud housemates!
``` ```
We did copy the rules, but did you notice the dot at the end of the command `cp`? We copied the rules, but did you notice the dot at the end of the command `cp`?
What does it mean? What does it mean?
We did learn that the two dots `..` refer to the parent directory (one directory back). We learned that the two dots `..` refer to the parent directory (one directory back).
One dot `.` refers to the current directory. One dot `.` refers to the current directory.
Here are some **equivalent** commands that might help you understand paths in Linux: Here are some **equivalent** commands that might help you understand paths in Linux:

2
src/day_2/glue.md
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@ -195,7 +195,7 @@ For example, if you don't care about the errors that some command throughs, then
### More details ### More details
We did discuss the most important cases for redirections. We discussed the most important cases for redirections.
But there are some less important details like the following: But there are some less important details like the following:
- `command &>filename` is equivalent to `command >filename 2>&1`, but not to `command 2>&1 >filename` because the order matters. - `command &>filename` is equivalent to `command >filename 2>&1`, but not to `command 2>&1 >filename` because the order matters.