7MANAGING USER ENVIRONMENT VARIABLES
To get the most from your Linux hacking system, you need to understand environment variables and be adept at managing them for optimal performance, convenience, and even stealth. Among the areas that Linux newcomers find problematic, however, managing the user environment variables might be the most difficult to master. Technically, there are two types of variables: shell and environment. Environment variables are process-wide variables built into your system and interface that control the way your system looks, acts, and “feels” to the user, and they are inherited by any child shells or processes. Shell variables ...
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