ref: 2e9835e771c54cb9a0c9cd81012e7b4b75f878f7
dir: /sys/man/1/echo/
.TH ECHO 1 .SH NAME echo \- print arguments .SH SYNOPSIS .B echo [ .B -n ] [ .I arg ... ] .SH DESCRIPTION .I Echo writes its arguments separated by blanks and terminated by a newline on the standard output. Option .B -n suppresses the newline. .SH SOURCE .B /sys/src/cmd/echo.c .SH DIAGNOSTICS If .I echo draws an error while writing to standard output, the exit status is .LR "write error" . Otherwise the exit status is empty.