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Unix/Linux File System Legend
these characters have special meaning!
7
Software
Not Applicable
05/29/2020
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Term
/
 Definition

root directory OR a separator, when listing directories

ATTENTION!

/Users/peter this means we have a folder called peter, which lives in Users directory, which is itself in the root directory("/" means "root")

Users/peter means we have a folder called peter, which lives in Users

directory, which is itself in the CURRENT DIRECTORY! The folder "peter" in 1st example and the folder "peter" in the 2nd example are 2 completely different folders!
Term
What is root or root user?
 Definition
Topmost user in the hierarchy. It is the user that has access to all folders.
Term
. OR ./
 Definition

This means the current directory or the same level.

For example, if we want to copy something into the current directory(the directory we are currently in) we can use just the "." Example command: cp ~/Users/peter/animals . This command copies the animals folder, which is in the peter folder, which is in Users folder, which itself is in the HOME folder INTO THE CURRENT DIRECTORY(the directory we are currently in).
Term
.. OR ../
 Definition
The directory one level up.
Term
../..
 Definition
The directory 2 levels up.
Term
~
 Definition
home directory(the directory user is placed when she logs in)
Term
*
 Definition
This symbol is a wildcard, it is used to represent "any characters".
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