diff --git a/cybersec/[2019] LINUX BASICS FOR HACKERS [OTW].pdf b/cybersec/[2019] LINUX BASICS FOR HACKERS [OTW].pdf new file mode 100644 index 0000000..155aa0a Binary files /dev/null and b/cybersec/[2019] LINUX BASICS FOR HACKERS [OTW].pdf differ