Spell is a very helpfull program that looks through a text file and reports any words that it finds in the text file that are not in the dictionary.
To use it non-interactively type in spell filename.txt

To use it interactively type in aspell -c filename.txt

Thats all.
pavsLinux Commands/Tools

While not the answer to every wireless security need, WEP can still be effective if used properly.
The 802.11b specification provides a form of encryption called Wired Equivalent Privacy (WEP). It operates on the Media Access Control (MAC) layer, which is part of the Data Link layer of the OSI model. When using WEP, only clients [...]

Originally, the most popular firewall/NAT package running on Linux was ipchains, but it had a number of shortcomings. To rectify this, the Netfilter organization decided to create a new product called iptables, giving it such improvements as:

Better integration with the Linux kernel with the capability of loading iptables-specific kernel modules designed for improved speed and [...]

A black-hat is a term in computing for someone who compromises the security of a system without permission from an authorized party, usually with the intent of accessing computers connected to the network. The term white hat is used for a person who is ethically opposed to the abuse of computer systems. The term cracker [...]