?? echo.3cur
字號(hào):
.TH echo 3cur .SH Nameecho, noecho \- enable/disable terminal echo.SH Syntax.Bint echo(\|).PP.Bint noecho(\|).SH Description.NXR "echo subroutine".NXR "noecho subroutine"The.PN echo routine enables echoing of characters typed by the user.The.PN noecho routine disables echoing of characters typed by the user..PPInitially, input characters are echoed.Subsequent calls to .PN echoand .PN noecho do not flush typeahead..SH Return ValuesThe.PN echoand.PN noechofunctions return OK on success and ERR on error.?? 快捷鍵說(shuō)明
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