.TH TEE 1plan9 .SH NAME tee \- pipe fitting .SH SYNOPSIS .B tee [ .B -i ] [ .B -a ] .I files .SH DESCRIPTION .I Tee transcribes the standard input to the standard output and makes copies in the .IR files . The options are .TP .B -i Ignore interrupts. .TP .B -a Append the output to the .I files rather than rewriting them. .SH SOURCE .B \*9/src/cmd/tee.c