What is a shell script?
A shell script is a program used on Unix to automate our work. These scripts are used by people to create scripts for file manipulation, program execution backing up files, etc. The shebang (#!) at the beginning of a script specifies the interpreter to execute the file, allowing it to act as a fully normal Unix command.
Linux Shell Script to Backup Files and Directory
Backing up our important files and directories is crucial to safeguarding our data. In this article, we’ll create a simple shell script that uses the tar utility to create an archive file for backup purposes that we can use whenever we require. The shell script we’ll build allows us to specify which directories to back up and where to store the backup. We’ll use the tar command to create an archive file containing the selected files and directories.
Linux Shell Script to Backup Files and Directory
- What is a shell script?
- Backup Script Creation:
- Step 1: Create a shell script
- Step 2: Write the script
- Define the start of the shell script
- Define the directories to backup
- Specify the backup destination
- Create an archive filename based on the current day
- Backup the files using tar
- Step 3: Make the script executable
- Step 4: Run the script from the terminal
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