3 ms·
It seems like "-n" flag appeared in UNIX v7: http://www.bsdlover.cn/study/UnixTree/V7/usr/src/cmd/echo.c.html http://www.bsdlover.cn/study/UnixTree/V7/usr/src/c
by dchest 15y ago
It seems like "-n" flag appeared in UNIX v7: http://www.bsdlover.cn/study/UnixTree/V7/usr/src/cmd/echo.c.html http://www.bsdlover.cn/study/UnixTree/V7/usr/src/cmd/echo.c....