Linux Environment Variables / PATH variables

gistfile1.haml

//www.lsauer.com
//sources: Gentoo Linux et al
//Type: tab separated flatfile database
//Get environment variables via 'env' or printenv; use 'env' to modify path parameters e.g. '$ env KDEDIRS=... xterm'
//$ env
//...

Variable	Description
PATH	 This variable contains a colon-separated list of directories in which your system looks for executable files. If you enter a name of an executable (such as ls, rc-update or emerge) but this executable is not located in a listed directory, your system will not execute it (unless you enter the full path as command, such as /bin/ls). 
ROOTPATH	 This variable has the same function as PATH, but this one only lists the directories that should be checked when the root-user enters a command. 
LDPATH	 This variable contains a colon-separated list of directories in which the dynamical linker searches through to find a library. 
MANPATH	 This variable contains a colon-separated list of directories in which the man command searches for the man pages. 
INFODIR	 This variable contains a colon-separated list of directories in which the info command searches for the info pages. 
PAGER	 This variable contains the path to the program used to list the contents of files through (such as less or more). 
EDITOR	 This variable contains the path to the program used to change the contents of files with (such as nano or vi). 
KDEDIRS	 This variable contains a colon-separated list of directories which contain KDE-specific material. 
CONFIG_PROTECT	 This variable contains a space-delimited list of directories which should be protected by Portage during updates. 
CONFIG_PROTECT_MASK	 This variable contains a space-delimited list of directories which should not be protected by Portage during updates.