diff --git a/sources/tech/20150125 A Shell Primer--Master Your Linux OS X Unix Shell Environment.md b/sources/tech/20150125 A Shell Primer--Master Your Linux OS X Unix Shell Environment.md
index eafc6d21e5..4f46e43dd7 100644
--- a/sources/tech/20150125 A Shell Primer--Master Your Linux OS X Unix Shell Environment.md	
+++ b/sources/tech/20150125 A Shell Primer--Master Your Linux OS X Unix Shell Environment.md	
@@ -1,3 +1,4 @@
+zpl1025
 A Shell Primer: Master Your Linux, OS X, Unix Shell Environment
 ================================================================================
 On a Linux or Unix-like systems each user and process runs in a specific environment. An environment includes variables, settings, aliases, functions and more. Following is a very brief introduction to some useful shell environment commands, including examples of how to use each command and setup your own environment to increase productivity in the command prompt.
@@ -689,4 +690,4 @@ via: http://www.cyberciti.biz/howto/shell-primer-configuring-your-linux-unix-osx
 [12]:http://www.cyberciti.biz/faq/fedora-redhat-scientific-linuxenable-bash-completion/
 [13]:http://www.cyberciti.biz/tips/howto-linux-unix-bash-shell-setup-prompt.html
 [14]:http://bash.cyberciti.biz/guide/Setting_shell_options
-[15]:http://www.cyberciti.biz/write-for-nixcraft/
\ No newline at end of file
+[15]:http://www.cyberciti.biz/write-for-nixcraft/