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---
layout: page
category: Filesystem
tags: absolute relative path
author: Marwan Announ
title: fs
---
<h1>Absolute Path!</h1>
<h2>First, what is a path?</h2>
<p>
A path is a location to a folder or file in a file system of a Operating System, then is a combination of characters
and "/"
</p>
<h3>Now, I can tell you what is an absolute path</h3>
<p>
An absolute path is defined as specifying the location of a file or directory from the root directory(/).
In other words we can say absolute path is a complete path from start of actual filesystem from / directory.
</p>
<h4>To write an absolute path-name:</h4>
<p>
Start at the root directory ( / ) and work down.
<br>Write a slash ( / ) after every directory name (last one is optional)
</p>
<h5>Example:</h5>
<p> cat group1.txt </p>
if for example, we use the above line, this commands work only and only if the "group1.txt" exist in the current
directory.
<br> If not works, it's not a problem, the file is present somewhere, before restart the new command, you have to
know where
<br> the file is saved.
<br> Now, we supposed that you know where your file is saved you can rewrite the command.
<p> cat /home/a1/group1.txt</p>
Now, we suppose that the file is saved into folder a1 in home,
<br>where: /home is the location respect to root, in fact, you have to descend one level
<br>in the file system like above to access your file.
As you can see from the last commands, all the paths started from /directory whis is a root directory for every Unix
machines.
<p> Other examples, where all are absolute path</p>
/home/user/Document/group1.txt
/root/data/dev.jpg
/var/log/messages
<h5>Example of Absolute path's uses:</h5>
Now, as we learned from the previous pages we can use other commands in addition to "cat", such as:
<br> chmod
<br> ls
<br> mv
<br> get
<br> text
<br> rm
and so on.. with the sintax like above.
/* esempi con altri comandi+foto */