Typos and missing trailing backticks galore.

osx/diskutil.md

@@ -20,4 +20,4 @@
 
 - Eject a CD/DVD (unmount first)
 
-`diskutil eject {{/dev/disk1}}
+`diskutil eject {{/dev/disk1}}`

osx/pgrep.md

@@ -8,8 +8,8 @@
 
 - case insensitive greping
 
-`pgrep -i {{fireFOx}}
+`pgrep -i {{fireFOx}}`
 
 - kill all processes which match
 
-`pkill -9 {{Finder}}
+`pkill -9 {{Finder}}`

osx/qlmanage.md

@@ -8,4 +8,4 @@
 
 - Compute 300px wide PNG thumbnails of all JPEGs in the current directory and put them in a directory.
 
-`quicklook *.jpg -t -s 300 {{/existing//thumbnail/directory}}
+`quicklook *.jpg -t -s 300 {{/existing//thumbnail/directory}}`

osx/system_profiler.md

@@ -10,6 +10,6 @@
 
 `system_profiler SPHardwareDataType`
 
-- Print the system serial numebr
+- Print the system serial number
 
 `system_profiler SPHardwareDataType|grep "Serial Number (system)" |awk '{print $4}'`