Bash Introduction
What is Bash?
Bash is used to run commands and write scripts on Unix/Linux systems.
Bash is the default shell on most Linux and macOS systems.
Why Learn Bash?
Bash is a powerful tool for developers and system administrators.
Understanding and mastering Bash is important for working in Unix/Linux.
Shell vs. Bash Shell
A "Shell" is any command-line tool. "Bash shell" is specifically the Bourne Again SHell.
Because of the popularity, Bash is often what people think of when they say shell
This tutorial will teach you how to use Bash.
History of Bash
Bash was developed in 1989 by Brian Fox.
Bash was created as a free replacement for the Bourne shell. It quickly became the default for GNU and many Linux systems.
Over time, Bash added features from other shells, such as the Korn shell (ksh) and C shell (csh), and it became a very versatile tool for command-line users.
Practical Uses of Bash
System administrators use Bash to:
- Automate tasks
- System operations
- Process data
Developers use Bash for:
- Build automation
- Testing
- Deployment
- Data processing and manipulation