Unix permissions control who can read, write or execute a file. You can limit it to the owner of the file, the group that owns it or the entire world. For security reasons, files and directories ...

You are not alone. In fact, I was pretty confused by file permissions for a long time, but it’s actually very simple! Here’s why you should care, and how to understand the permissions that keep your ...

Wired's newly-revamped Webmonkey site has an informative guide on seeing, changing, and understanding file permissions in Unix-like systems. These are the kind of operations and syntax that can often ...

Have you ever entered “ls –l” into a UNIX command line and seen something like this? Do you wonder what the “drwxr–r– “ means or why you can’t edit, open, or even read some files or directories? Well, ...

Viewing the content of files and examining access permissions and such are very different options. This post examines a number of ways to look at files on Linux. There are a number of ways to view ...

The Linux operating system and all its variant distributions inherit a strict ownership model from Unix systems. This means that users must have specific permissions in order to manipulate particular ...

In the olden days of Unix, each file had an owner, a group, and a notion of “everybody else”. These entities could be granted read, write and/or execute permission — and that was as far as it went. If ...