diff --git a/osx.md b/osx.md
index 179eda6fe..67f240d4e 100644
--- a/osx.md
+++ b/osx.md
@@ -1,19 +1,25 @@
 ---
 title: OS X
+layout: 2017/sheet
 ---
 
 ### Locations of startup items
 
+    ~/Library/LaunchAgents 
     /System/Library/LaunchAgents/
     /System/Library/LaunchDaemons/
     /Library/LaunchAgents/
     /Library/LaunchDaemons/
+    
+    __Running `launchctl list` show you what launch scripts are currently loaded.__
+
 
 ### Hide desktop icons
 
     defaults write com.apple.finder CreateDesktop -bool false
     killall Finder
 
+
 ### Auto-hide other windows on dock switch
 
     defaults write com.apple.dock single-app -bool TRUE
@@ -22,12 +28,49 @@ title: OS X
     defaults delete com.apple.dock single-app
     killall Dock
 
+
 ### Flush DNS
 
     killall -HUP mDNSResponder   # 10.8+
     dscacheutil -flushcache      # 10.7 below
 
+
 ### Turn off spotlight
 
     sudo vim /etc/hostconfig  # change SPOTLIGHT=-YES- to SPOTLIGHT=-NO-
     mdutil -i off /
+
+
+### Turn on/off proxy
+
+    sudo networksetup -setsocksfirewallproxystate Wi-Fi off
+    sudo networksetup -setsocksfirewallproxystate Ethernet off
+    sudo networksetup -setsocksfirewallproxy Wi-Fi 127.0.0.1 9999
+    sudo networksetup -setsocksfirewallproxy Ethernet 127.0.0.1 9999
+    sudo networksetup -setsocksfirewallproxystate Wi-Fi on
+    sudo networksetup -setsocksfirewallproxystate Ethernet on
+
+
+### System utils
+
+ - `networksetup` - Configure network (ip, dns, proxy, etc)
+ - `tmutils` - Configure Time Machine (enable/disable, exclude path, delete snapshots, etc)
+ - `mdutils` - Manage Spotlight (enable/disable, exclude, etc)
+ - `diskutil` - Controll disk (format, eject, unmount, etc)
+ - `launchctl` - Controll running "agents"
+
+
+### Usefull utils
+
+ - `open` - open files and directories ([man])[https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/open.1.html]
+ - `textutil` - manipulate text files of various formats ([man])[https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/textutil.1.html]
+ - `pbcopy` / `pbpaste` - provide copying and pasting to the pasteboard ([man])[https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/pbcopy.1.html]
+ - `sips` - scriptable image processing system ([man])[https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/sips.1.html]
+ - `mdfind` - finds files matching a given query ([man])[https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/mdfind.1.html]
+ - `screencapture` - capture images from the screen ([man])[https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/screencapture.1.html]
+ - `defaults` - access the Mac OS X user defaults system ([man])[https://developer.apple.com/legacy/library/documentation/Darwin/Reference/ManPages/man1/defaults.1.html]
+ - `/usr/libexec/airportd`
+ - `scutil`
+
+ __INFO: `brew` (link)[https://brew.sh] is highly recomended utility__
+