.TH TEE 1 .SH NAME tee \- pipe fitting .SH SYNOPSIS .B tee [ .B \-i ] [ .B \-a ] [ file ] ... .SH DESCRIPTION .I Tee\^ transcribes the standard input to the standard output and makes copies in the .IR files . The .B \-i option ignores interrupts; the .B \-a option causes the output to be appended to the .I files\^ rather than overwriting them.