Arun Kumar
Downloading Oracle 12c Using Linux wget
When you are working on a Linux server, you do not need to use tools like WINSCP or other file sharing software. You can simply use wget command in linux to download the oracle software.
Open internet explorer
Yes, you heard it right! This method does not work for google chrome or other browsers.
It does work for Mozilla Firefox though !
Goto oracle.com and login to the website. Navigate to database download page. Accept the terms of agreement and start the download.
As your download starts, open the download window (inside internet explorer), pause the download, right click and copy link address

Linux wget command
Install Linux wget command using root user
yum -y install wget
To begin the download, issue wget command in below format
wget <paste the link you copied above>
wget http://download.oracle.com/otn/linux/oem/12105/em12105_linux64_disk1.zip?AuthParam=1464336954_bb257a448de89g4997f8a160b32efddd
The download should begin now!
Post the download is done, if you issue ls -lrt command, you will see the zip file along with some other characters at the end of the file.
You can use mv command to rename the file as below
# mv oracle_12105_linux64_disk1.zip?AuthParam=1464336954_bb257a448de89g4997f8a160b32efddd oracle_12105_linux64_disk1.zip