The use of the uppercase X in chmod

I am aware that there are numerous guides about file permissions in linux out there. This post is not intended to be another tutorial. I just wanted to emphasize the use of uppercase X when modifying regular file or directory permissions. This info seems to be missing from most of those guides.

Monitoring a pipe…

It is sometimes needed that you monitor the progress of data through a pipe. After searching around the net, I finally discovered a little terminal-based utility that does exactly that! It’s called Pipe Viewer or just PV. Here is some quick info on how to use this tool.

User management from the command line

This is a short article about the most common practices in user and group management from the command line. The information is specific to Fedora Core and Red Hat based distros, but would do for any distribution probably with slight differences in the command options.

Meld…

Meld is a visual diff tool. I’d say it’s one of the most useful applications I have ever used. You can compare two or three text files or directories at the same time or work with CVS and SVN directories and files. It displays the differences in a very handy and visually attractive way. Supports…

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