Software applications such as FTP or Telnet open a <u>socket</u> using a well-known port and listen for connection requests.
<h3>What is FTP?</h3>
FTP is an abbreviation for file transfer protocol and it can be defined as a type of server that's designed and developed to store and provide files for download, as well as sharing between two or more users on an active computer network.
<h3>What is a socket?</h3>
In Computer technology, a socket can be defined as one of the endpoint in a two-way communication link between two (2) software applications that are running on an active computer network. Also, a socket is always bound to a unique port number, so as to enable the transmission control protocol (TCP) layer in identifying the software application to receive a data.
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Answer:
Ls command
Explanation:
The command to list the contents of directory in Unix- like operating system is "Ls command."
In computer programming, the "Ls command" is commonly found in the EFI shell and other environments, including DOS, OS/2, Microsoft Windows, Matlab and, -GNU Octave.
The "Ls" command is used in writing to the standard outcome, such as the contents of each specified Directory or any other information