Converting files in ZIP File...

Oracle cloud Infrastructure (OCI) allows us to upload files to an OBJECT STORAGE BUCKET Using either the OCI console or the** Command line Interface (CLI)** When transferring files from a Linux compute Instance , it is usually better to compress them before uploading. compression reduces the file size , which helps save object storage space and lowers storage costs. Although compression takes some CPU time , it is beneficial for long term Storage.

Archive vs Compression

People often think archiving and compression are the same, but they perform different tasks. tar (Tape Archive) The tar command combines multiple files and folders into a single archive file...

Important points::- 1.) It does not reduce the file size. 2.) It keeps the original folder structure. 3.) It preserves file permissions and metadata. 4.) It is mainly used to package multiple files together.

gzip and bzip2 Unlike tar, gzip and bzip2 are compression tools.

Their purpose is to::-

1.) Reduce file size. 2.) Compress one archive or file. 3.) Save storage space. 4.) They do not create archives by themselves, so they are commonly used together with tar.

How tar Works Creating a normal archive::-

tar -cvf backup.tar source_folder

This command only creates a single archive file. If compression is required, tar can send the archive to a compression program. For example::- -z → use gzip -j → use bzip2

Compression Methods

Using gzip (-z)

gzip is a fast compression method.

Advantages: Compresses files quickly // Uses less CPU // Best for daily backups // Produces slightly larger compressed files compared to bzip2.

Common extensions::-

.tar.gz
.tgz

Create a gzip archive.

tar -czvf destination-file_20260725.tar.gz source

Extract a gzip archive

tar -xzvf source-file_20260725.tar.gz

Using bzip2 (-j)

bzip2 focuses on achieving better compression. Advantages::-

Creates smaller files // Saves more storage space // Ideal for long-term storage.

Disadvantages::-

Compression is slower // Uses more CPU resources.

Common extensions::-

.tar.bz2
.tbz2

Create a bzip2 archive

tar -cjvf destination-file_20260725.tar.bz2 source

Extract a bzip2 archive

tar -xjvf source-file_20260725.tar.bz2

TAR Command Flags // Summary.

-c = Create a new archive -x = Extract an archive -z = Compress or extract using gzip -j = Compress or extract using bzip2 -v = Display progress (Verbose mode) -f = Specify the archive file name

Summary tar ::- Combines multiple files into one archive. gzip ::- Fast compression with lower CPU usage. bzip2 ::- Better compression ratio but slower processing. tar + gzip ::- Good for regular backups. tar + bzip2 ::- Better choice for long-term storage where saving space is important.

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Run this command to send file to bucket

oci os object put -bn medical-bucket --file scripts31072026.tar

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Download OCI cli package

Run below command to download OCI cli package

a)install Python 3 if not already installed:

sudo dnf install python3

write y to begin the installation

b)Install pip (Python package installer):

sudo dnf install python3-pip

write y to begin the installation

c)Install OCI CLI using pip:

python3 -m pip install oci-cli --upgrade

The OCI cli package has been successfully downloaded.

d)Verify the installation:

oci --version

Again Run below command to send file in bucket

oci os object put -bn Test-bucket --file scripts01012025.tar

Say no to creating through browser.

We will create through CLI.

Always enter default location to save config file

Enter user's OCID