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The latest version is here: [[OPS145_Lab_3]]


= Filesystems =
[[Category:OPS145]]
A filesystem is a system of organizing files on a storage device. Such a system consists of:
 
* A standard specifying the meaning and order of bytes on the storage device, and
* Driver-like software which hides the filesystem-dependent details, and allows user-level software to perform generic operations (e.g. copy this file to that directory)
 
Files and directories are very different things from a human point of view, but on a filesystem they are almost the same thing. Each has a name, permissions, modification date, and the location of its contents. The contents of a file are whatever you'd expect they are, it's different for each type of file. The contents of a directory are the list of its contents.
 
In this course we're only going to look at the user level of Linux filesystems.
 
= Absolute paths start at root =
In Linux there are no drive letters. All the storage which is accessible is accessible via a path which starts at the root (a single forward slash).
 
We'll start exploring these ideas by paying attention to the directories and files in the following diagram:
[[File:FilesystemIntro.png|center|499x499px]]
 
 
= Also: =
Linux filesystem
 
Navigate filesystem
 
Home directory, directories
 
~
 
mkdir
 
rmdir
 
tree
 
ls -r
 
cp
 
mv
 
rm
 
ln -s

Latest revision as of 00:28, 30 January 2024

The latest version is here: OPS145_Lab_3