This demonstrates redirecting both standard output and standard error to /dev/null to silence command output.

This demonstrates the usage of positional arguments in Bash scripts and functions.

This demonstrates a while loop iterating over items from a here-document (heredoc) in Bash.

This demonstrates a for loop using the seq command to iterate over a sequence of numbers.

This demonstrates the use of a function and command substitution in Bash to embed a function's output in a string.

This demonstrates extracting a substring from a variable in Bash using parameter expansion.

This demonstrates prefix name expansion in Bash to list all variables that start with a specified prefix.

This demonstrates piping both standard output (stdout) and standard error (stderr) from one command to another using the |& operator in Bash.

This demonstrates converting the first character of a variable to lowercase using parameter expansion.

This demonstrates how to create a multi-line comment in Bash using the : (colon) command followed by a single-quoted block.

This demonstrates capitalizing the first letter of a string using parameter expansion.

This demonstrates case conversion using parameter expansion in Bash.

This demonstrates conditional value substitution using parameter expansion in Bash.

This demonstrates starting a new Bash shell session without loading the user's .bashrc file.

This demonstrates string inequality comparison using [[ ... ]] in Bash.

This checks if the noclobber shell option is enabled, which prevents overwriting existing files with output redirection.

This demonstrates executing an inline Bash command using the bash -c command.

This demonstrates iterating over the keys of an associative array in Bash.

This demonstrates various Bash shell options (shopt) for controlling globbing behavior, including case-insensitivity, recursive matching, and handling of non-matching patterns.

This demonstrates executing a script in the Bash shell.