vt.,n. To expand special characters in a wildcarded name, or the act of so doing (the action is also called 'globbing'). The UNIX conventions for filename wildcarding have become sufficiently pervasive that many hackers use some of them in written English, especially in email or news on technical topics. Those commonly encountered include the following:
Historical note: The jargon usage derives from 'glob', the name of a subprogram that expanded wildcards in archaic pre-Bourne versions of the UNIX shell.