Learn how the ptrace_may_access bug lets attackers steal root files like SSH keys and shadow file. Find out if your Linux ...

Have you ever wanted to read a file one line at a time in a shell script and found the task to be a lot more trouble than you ever imagined? If you use a “for line ...

Recently I needed to create a script that processed two input files. By processed I mean that the script needed to get a line from one file, then get a line from the second file, and then do something ...

The good news is there's already a patch. The bad news is that the fix isn't available for all Linux distributions yet.

A temporary reference (typically a number) assigned by the operating system to a file that an application has asked it to open. The handle is used throughout the session to access the file. In the ...

not sure if i'm doing this correctly, but i'm trying to get the jpg files from a site with wget using the recursive and glob on options.<BR><BR><pre class="ip-ubbcode ...

Last week’s column looked at how we can read from and write to files by associated the files with user-defined file descriptors. This week, we take this idea a bit further. Closing File Descriptors In ...