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 ...

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 ...

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 ...

One way to get a little more clarity on this is to look at the permissions with the stat command. The fourth line of stat’s output displays the file permissions both in octal and string format: $ stat ...

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 ...

Is there a way to make a file "append only"? I've lost some logfiles that got overwritten when I wanted them just to be appended. I know with NTFS there are detailed permissions that can be set, but ...