Bash: Write to File
This article explains how to write text to a file in Bash, using the redirection operators and tee command.
Bash read Command
read is a bash built-in command that reads a line from the standard input (or from the file descriptor) and split into words.
Bash Exit Command and Exit Codes
In this article, we will cover the Bash exit built-in command and the exit statuses of the executed commands.
How to Redirect stderr to stdout in Bash
To redirect stderr and stdout, use the 2>&1 or &> constructs. In Bash and other Linux shells, when a program is executed, it uses three standard I/O streams.