Category Archives: Utilities

Managing shell command history in OS X/Linux

One of the many benefits of using the command line shell in OS X or Linux (or any *nix or similar OS) is that the operating system keeps a history of all the commands you use, storing them in a … Continue reading

Posted in Command Line, computer science, Editors, How-To, Linux Tech Talk, Open source software, Programmer's Tools, Secure computing, Security/Cryptography, Ubuntu Linux, Utilities | 1 Comment

Using diff

diff is a *nix command that takes two files and compares them, reporting on the differences between them. For example: $ diff foo.bar foo.bar $ When the files are identical, no output is generated (as in this case, comparing a … Continue reading

Posted in Command Line, computer science, How-To, Open source software, Practical Cryptography, Programmer's Tools, Secure computing, Security/Cryptography, Utilities | Comments Off on Using diff

Dropbox and Cloud-related applications

Dropbox is not the first network application for storing your data in the “cloud”–that’s been relatively easy to do for decades, using UNIX networking tools–but it does seem to be the first to gain much traction outside the *NIX sysadmin … Continue reading

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Linux Command Line Gold

There’s nothing like a command line for when you need to get things done. Here are some resources (maybe repeats from years past?) that can give you an edge when you’re looking for a fast and efficient way to do … Continue reading

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Choosing an open source text editor

For many programmers, their first “real” program was some kind of a text editor. For some, it was an exercise in a programming class, or else an exercise in creating their first real, personalized, tool that worked the way the … Continue reading

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Ever Wondered about the Linux Filesystem Hierarchy?

The Linux filesystem hierarchy (link to Wikipedia/Filesystem Hierarchy Standard) can be confusing: just what is all that stuff, and how does it work? Making things even more confusing are the slight (or not so slight) variations in the hierarchy that … Continue reading

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Linux Command Line Cheat Sheet

Whether you’re new to Linux or just have trouble remembering stuff, check out this "cheat sheet" post at FOSSwire  (here’s a direct link to the Unix command reference PDF). And what’s FOSSwire? Another excellent resource for help with free and … Continue reading

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