I type echo ''Hello'' bu it still tells me ''Type the command after the shell prompt.''

[melsoncash]

man ı type echo ‘‘Hello’’ bu it still tells me ‘‘Type the command after the shell prompt.’’ @albionsrefuge

[leonhard.wettengmx.n]

@melsoncash,
Have you tried a refresh Browser

Always refresh the browser after making corrections:
CTRL f5 ( if on Windows or Linux)
CMD r ( if on a MAC).
CTRL 0 to reset browser zoom