Shell Data Processing - Echo

Card Puncher Data Processing

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Echo is a command that accepts an argument as standard input, and echoes it back to the terminal as standard output.

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Bash - Echo (Built-in Command)

Echo in bash. Echo accepts an argument (a literal string or a variable) as standard input, and echoes it back to the terminal as standard output. In Bash, it's available as: the builtin bash command...
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Network - netcat (nc, ncat)

netcat is a net client/server command line tool for TCP or UDP protocol. It can: reads and writes data across network connections acts as a client but also as a server You can see it as the equivalent...
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Shell Data Processing - Cat command (short for concatenate)

cat generates a stream of data from one or more files It therefore concatenate files. Output file1.txt then file2.txt contents and redirect and create the file fileAll.txt Content of fileAll.txt...
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This page is the echo executable of the Gnu utility package that implements an echo functionality. echo To echo a string: where: -n: do not output a newline character. See the example...
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Shell Data Processing - Standard Output Stream (stdout)

The Standard Output Stream is the output stream of a command This is a file descriptor linked to a application. your application or a terminal application (TTY or PTY) To create a file from...
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TCP - Connection

This article is a connection within the TCP protocol. A TCP server may serve several clients concurrently with the same local socket address (ie local IP address and port number) by creating a child...



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