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1xRTT: Short for single carrier (1x) radio transmission technology, a 3G wireless technology based on the CDMA platform. 1xRTT has the capability of providing ISDN-like speeds of up to 144 KBPS. 1xRTT is also referred to as CDMA2000. CHMOD: Short for change mode, a UNIX command that changes the access permissions of files or directories in order to read, write or execute files. IDF: Short for Intermediate distribution frame, a cable rack that interconnects and manages the telecommunications wiring between an MDF and workstation devices. Cables entering a building run through a centralized MDF, then each individual IDF and then on to specific workstations. For example, an enterprise that encompasses a building with several floors may have one MDF on the first floor and one IDF on each of the floors that is connected to the MDF. MDF: Short for main distribution frame, a cable rack that interconnects and manages the telecommunications wiring between itself and any number of IDFs. Unlike an IDF, which connects internal lines to the MDF, the MDF connects private or public lines coming into a building with the internal network. For example, an enterprise that encompasses a building with several floors may have one centralised MDF on the first floor and one IDF on each of the floors that is connected to the MDF. CPAN: Short for
Compre-hensive Perl Archive Network, a collection of Internet archives
that is a resource for material related to the Perl programming
language. CPAN includes:
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