Maximum Security, Fourth Edition

Appendix . Glossary

$HOME

A shell environment variable that points to your home directory in Unix (typically, /home/hacker , where hacker is your username).

See Also environment variable .

$LOGNAME

A shell environment variable that stores your username. To see your current username/logname in Unix, type echo $LOGNAME at a shell prompt.

See Also environment variable .

$PATH

A shell environment variable that stores your path in Unix and Windows (or, the list of directories the shell will examine when searching for files). A typical path might look like this: /bin:/usr/bin:/usr/local/bin:/usr/man:/usr/X11R6/bin. Colons separate directories.

See Also environment variable .

$REMOTE_ADDR

A Web environment variable that stores the IP address of the remote ...