/etc/termcap is a text file which lists the
capabilities. Several applications use the
termcap information to move the cursor in the screen and do other screen-oriented tasks.
vi and all the
curses-based applications use the
The database represents various terminal types, and applications use the
TERM environment variable to refer to the right entry in
termcap. Each capability is then represented by a two-letter code associated to the character string used to get the desired effect. The separator character between different capabilities is colon (« : »). As an example, the audible bell, whith code « bl », is usually represented by the string «
bl=^G« , which instructs the applications to use the control-G character, the ASCII BEL.
In addition to the
bl capability, there is a
vb capability, which represents the « visible bell ».
vb is usually missing in the
console entry in Linux’