Echo is a shell builtin that prints out its arguments to the standard output. The echo command is most commonly used in shell scripts and batch files in order to output some textual data to the user. Although the description of echo seems pretty straightforward,… Read More »The echo command in Linux
After talking about standard output and standard error, we will now encounter a command that makes use of standard input. That command serves many different purposes, and we will try to mention some of them. The command is known as cat (concatenate). The cat command… Read More »Cat command and pipelines in Linux
This article will explain the standard error. If you want to check the standard output and find more information about input/output facilities (which would be good before starting this post) you can find out more information here. The standard error detailed It was fairly simple… Read More »How to redirect standard error in Linux?
Command line has a lot useful features, but one of the most important is the ability to redirect the input and output of commands to and from files, and to connect multiple commands together to form powerful command pipelines. Standard input, output and error The… Read More »How to redirect standard output in Linux?