Globbing is the procedure of
Unlike MSDOS, where the called program had to interpret the patterns, the globbing on UNIX® is done by the shell, the matched filenames are given as parameters to a called command:
$ cat *.txtreally executes
$ cat 1.txt 3.txt foobar.txt XXX.txt
The term "glob" originates back in the UNIX® days where an executable
glob (from "global") existed which was used to expand pattern-matching characters. Later, this functionality was built into the shell. There's still a library function called
glob() (POSIX®), which serves the same purpose.