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Bash Cheatsheet

Bash is a Unix shell and command language used for automating tasks and interacting with the operating system. Here is an overview of its features, code blocks, and resources.

Features

• Bash is a command language used for interacting with the Unix shell.
• It is a scripting language that can be used for automating tasks and system administration.
• Bash supports variables, loops, conditionals, functions, and file manipulation.
• Bash is highly customizable and can be extended with plugins and scripts.

Code Blocks

Variables

Variables are used to store data that can be used later in the script.

variableName=value

Functions

Functions are code blocks that perform a specific task. They can be called by other parts of the script.

function functionName {
    # code to be executed
}

Conditionals

Conditionals allow the script to make decisions based on certain conditions.

if [ condition ]; then
    # code to be executed if condition is true
elif [ otherCondition ]; then
    # code to be executed if otherCondition is true
else
    # code to be executed if neither condition is true
fi

Loops

Loops allow the script to repeat a set of instructions.

for i in {1..10}; do
    # code to be executed
done

File Manipulation

Bash can be used to manipulate files and folders on the file system.

# list all files in the current directory
ls

# create a new directory
mkdir directoryName

# remove a file
rm fileName

Resources

Here are some resources for learning and using Bash:

• Bash Reference Manual
• Bash subreddit
• Bash Guide for Beginners
• Bash on Stack Overflow

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