Photography web hosting - 494 APPENDIX A GLOSSARY OF LINUX TERMS
494 APPENDIX A GLOSSARY OF LINUX TERMS < Symbol that, when used at the command prompt, indicates a command should accept input from a file (see redirect). # Symbol that, when it appears on the command prompt, usually indicates the user is currently logged in as root. $ Symbol that, when it appears on the command prompt, usually indicates the user is currently logged in as an ordinary user. (Note that some versions of Linux/Unix use % or > instead of $.) ? Wildcard character indicating that any character can be substituted in its place. * Wildcard character indicating that zero or more characters can appear in its place. *nix Popular but unofficial way of describing the family tree that comprises Unix and its various clones, such as Linux and Minix. A administrator Another word for either the root user or one who has adopted that user s powers temporarily. AIX IBM s proprietary form of Unix that runs on the company s proprietary hardware, as well as commodity hardware based around AMD and Intel processors. Nowadays, IBM is slowly deprecating AIX in favor of Linux. alias Method of creating a user-defined command that, when typed, causes another command to be run or a string to be expanded. Apache Popular Open Source web server software that runs on Unix, Linux, and other operating system platforms. Considered responsible in part for the rise in popularity of Linux in the late 1990s.