[oracle@localhost database]$ ./runInstaller
Starting Oracle Universal Installer...
Checking Temp space: must be greater than 120 MB. Actual 3608 MB Passed
Checking swap space: must be greater than 150 MB. Actual 1635 MB Passed
Checking monitor: must be configured to display at least 256 colors. Actual 16777216 Passed
Preparing to launch Oracle Universal Installer from /tmp/OraInstall2017-12-13_09-34-23AM. Please wait ...[oracle@localhost database]$