What is shell scripting with bash?

What is shell scripting with bash?

Bash is a Unix shell and command language written by Brian Fox for the GNU Project as a free software replacement for the Bourne shell. First released in 1989, it has been used as the default login shell for most Linux distributions. Bash can also read and execute commands from a file, called a shell script.

What is shell scripting with examples?

A bash (or shell) script is basically a program that allows the user to interact with the UNIX/Linux system by writing executable shell commands in a simple text file. A bash script which greets the user (save in greet.sh and run like bash greet.sh): echo “hello $USER”

Where are shell scripts used?

Shell Scripting is used for multiple system level operations like ‘system administration’s tasks’, ‘for creating, maintaining and implementing system boot scripts’, ‘automating tedious repetitive tasks’, ‘scheduling and executing system tasks’, ‘for automating the installation process for new software or for new …

What is another name for a bash shell script?

Bash (AKA Bourne Again Shell) is a type of interpreter that processes shell commands.

Is Python a shell script?

Python is an interpreter language. It means it executes the code line by line. Python provides a Python Shell, which is used to execute a single Python command and display the result.

What are the uses of bash scripting?

Bash Script: It is used to automate repetitive tasks on Linux filesystem. It might include a set of commands, or a single command, or it might contain the hallmarks of imperative programming like loops, functions, conditional constructs, etc.

Why do we need bash script?

BASH is a very powerful tool that allows us to run commands and scripts. A BASH script allows us to automate the daily tasks and commands. A BASH script is a combination of multiple commands.

What is the first line of a bash script?

Adding #!/bin/bash as the first line of your script, tells the OS to invoke the specified shell to execute the commands that follow in the script. #! is often referred to as a “hash-bang”, “she-bang” or “sha-bang”.