A changeable value that stores a certain data type (such as a number, date, or string), remembering it for future reference by the system or script it is defined by. Variables defined by and for the Linux kernel are vital to it.
Command option that will cause it to return more detailed output (or, in some cases, to return actual output if the command is otherwise “quiet”); usually specified by adding the -v command option.
Virtual File Allocation Table; technical name of Microsoft’s FAT file system offered under Windows and also on removable storage devices such as flash memory cards.
Arcane text editor and pseudo-shell beloved by Unix aficionados that can be used for creation of text files or for creating programs. Traditionally, Unix users either love or hate vi, often in preference to emacs.