.TH VIS 1 .SH NAME vis \- show invisible characters .SH SYNOPSIS .B vis [ .B \-t ] [ .B \-s ] file ... .SH DESCRIPTION .I vis reads each .I file in sequence and writes it on the standard output. Non-printing characters are translated on output as in the `l' (list) command of .IR ed (1). If no .I file is given .I vis reads from the standard input. Option .B \-t suppresses translation of tabs. Option .B \-s strips non-printing characters and makes no other translation. .SH SEE ALSO cat(1), ed(1)