.TH TEE 1 .CT 1 shell .SH NAME tee \- pipe fitting .SH SYNOPSIS .B tee [ .B -i ] [ .B -a ] [ .I file ... ] .SH DESCRIPTION .I Tee transcribes the standard input to the standard output and makes copies in the .I files. The options are .TP .B -i Ignore interrupts. .TP .B -a Append the output to the .I files rather than rewriting them.