From the course: IT Security Foundations: Operating System Security
Join today to access over 24,700 courses taught by industry experts.
Using the Linux file system
From the course: IT Security Foundations: Operating System Security
Using the Linux file system
- [Narrator] A file system controls how data is stored and retrieved. In this segment, we'll take a look at how the Linux file system can help manage files and their permissions. On a Linux operating system, everything is a file. If it's not a file, it's a process. Now most files are regular files that contain normal data, such as text files, executables, or programs. Common file systems are based off of the extended file system that was developed for Minix. ext2 is commonly used for flash-based storage media because it minimizes the number of writes. ext3 is an improvement, as it added a journal or log, which is used to minimize the risk of a file system corruption in the event of a sudden power loss. ext4 offers performance improvement, as it allows for faster file system checks and repair times. Now within the file system, there are directories and sub directories. For example, here are some common subdirectories.…
Practice while you learn with exercise files
Download the files the instructor uses to teach the course. Follow along and learn by watching, listening and practicing.
Download courses and learn on the go
Watch courses on your mobile device without an internet connection. Download courses using your iOS or Android LinkedIn Learning app.