transfer a file from one system to another remote system

how to check remote server? and how to transfer a file from one system to another remote system?

To check the remote server .. u can just

ping ipaddress

To test a perticular port

Telnet ipaddress portno

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To transfer a file from one unix machine to another unix machine u can use

scp command

scp < files to transfer > remoter server ipaddress:/dir

you can see the help to provide the varios option in scp command

if you want to transfer file from windows to unix u can use the winscp utility