Not able to proceed after download and installation of node.js

[Yadu nandan]

node -v

ferenceError: node is not defined

  at repl:1:2

  at REPLServer.self.eval (repl.js:110:21)

  at Interface.<anonymous> (repl.js:239:12)

  at Interface.emit (events.js:95:17)

  at Interface._onLine (readline.js:202:10)

  at Interface._line (readline.js:531:8)

  at Interface._ttyWrite (readline.js:760:14)

  at ReadStream.onkeypress (readline.js:99:10)

  at ReadStream.emit (events.js:98:17)

  at emitKey (readline.js:1095:12)

Please help me out in resolving this issue.

[Ryan Schmidt]

It sounds like you have started the node repl (the Read-Eval-Print-Loop: a way of running JavaScript line by line for testing purposes) by running "node" with no arguments, and have then typed "node -v" into the repl. "node -v" is not a valid JavaScript command, so it is understandable that you get an error that "node" is not defined.

It sounds like you don't actually want to be in the node repl, but are trying to run a shell command to display the version of node. In that case, exit the repl by pressing Control-D, then run "node -v".

[Danilo Sampaio]

if you're using a recent Ubuntu version, the node command is 'nodejs' instead of 'node'. You need to manually create a symlink /usr/bin/node:

sudo ln -s /usr/bin/nodejs /usr/bin/node

which OS are you using?

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