lchfn - Change finger information
lchfn [OPTION]... [user]
Displays and allows changing information about user that is available
using the finger(1) command (usually stored in the "gecos" field of
If the user argument is not provided, username of the invoking user is
used; the user argument is ignored if lchfn is run set-uid to a
Entering an empty string (by pressing Enter) at a prompt is interpreted
as accepting a default value; to erase an attribute (or to use an empty
string as the attribute value), enter a single dot character.
Ask all questions when connecting to the user database, even if
default answers are set up in libuser configuration.
The exit status is 0 on success, 1 on error.