diff --git a/References/linux_performance_tuning.jpg b/References/linux_performance_tuning.jpg new file mode 100644 index 0000000..a4a17ab Binary files /dev/null and b/References/linux_performance_tuning.jpg differ diff --git a/References/splunk-quick-reference-guide_6-7-24.pdf b/References/splunk-quick-reference-guide_6-7-24.pdf new file mode 100644 index 0000000..59f78bb Binary files /dev/null and b/References/splunk-quick-reference-guide_6-7-24.pdf differ