diff --git a/pr1dna.xcodeproj/project.pbxproj b/pr1dna.xcodeproj/project.pbxproj
new file mode 100644
index 00000000..e15e30cd
--- /dev/null
+++ b/pr1dna.xcodeproj/project.pbxproj
@@ -0,0 +1,242 @@
+// !$*UTF8*$!
+{
+	archiveVersion = 1;
+	classes = {
+	};
+	objectVersion = 46;
+	objects = {
+
+/* Begin PBXBuildFile section */
+		84E292DB164FE133009BA631 /* Foundation.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 84E292DA164FE133009BA631 /* Foundation.framework */; };
+		84E292DE164FE133009BA631 /* main.m in Sources */ = {isa = PBXBuildFile; fileRef = 84E292DD164FE133009BA631 /* main.m */; };
+		84E292E2164FE133009BA631 /* pr1dna.1 in CopyFiles */ = {isa = PBXBuildFile; fileRef = 84E292E1164FE133009BA631 /* pr1dna.1 */; };
+		84E292EA164FE341009BA631 /* Cell.m in Sources */ = {isa = PBXBuildFile; fileRef = 84E292E9164FE341009BA631 /* Cell.m */; };
+/* End PBXBuildFile section */
+
+/* Begin PBXCopyFilesBuildPhase section */
+		84E292D4164FE133009BA631 /* CopyFiles */ = {
+			isa = PBXCopyFilesBuildPhase;
+			buildActionMask = 2147483647;
+			dstPath = /usr/share/man/man1/;
+			dstSubfolderSpec = 0;
+			files = (
+				84E292E2164FE133009BA631 /* pr1dna.1 in CopyFiles */,
+			);
+			runOnlyForDeploymentPostprocessing = 1;
+		};
+/* End PBXCopyFilesBuildPhase section */
+
+/* Begin PBXFileReference section */
+		84E292D6164FE133009BA631 /* pr1dna */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = pr1dna; sourceTree = BUILT_PRODUCTS_DIR; };
+		84E292DA164FE133009BA631 /* Foundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Foundation.framework; path = System/Library/Frameworks/Foundation.framework; sourceTree = SDKROOT; };
+		84E292DD164FE133009BA631 /* main.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = main.m; sourceTree = "<group>"; };
+		84E292E0164FE133009BA631 /* pr1dna-Prefix.pch */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "pr1dna-Prefix.pch"; sourceTree = "<group>"; };
+		84E292E1164FE133009BA631 /* pr1dna.1 */ = {isa = PBXFileReference; lastKnownFileType = text.man; path = pr1dna.1; sourceTree = "<group>"; };
+		84E292E8164FE341009BA631 /* Cell.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = Cell.h; sourceTree = "<group>"; };
+		84E292E9164FE341009BA631 /* Cell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = Cell.m; sourceTree = "<group>"; };
+/* End PBXFileReference section */
+
+/* Begin PBXFrameworksBuildPhase section */
+		84E292D3164FE133009BA631 /* Frameworks */ = {
+			isa = PBXFrameworksBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				84E292DB164FE133009BA631 /* Foundation.framework in Frameworks */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+		84E292CB164FE133009BA631 = {
+			isa = PBXGroup;
+			children = (
+				84E292DC164FE133009BA631 /* pr1dna */,
+				84E292D9164FE133009BA631 /* Frameworks */,
+				84E292D7164FE133009BA631 /* Products */,
+			);
+			sourceTree = "<group>";
+		};
+		84E292D7164FE133009BA631 /* Products */ = {
+			isa = PBXGroup;
+			children = (
+				84E292D6164FE133009BA631 /* pr1dna */,
+			);
+			name = Products;
+			sourceTree = "<group>";
+		};
+		84E292D9164FE133009BA631 /* Frameworks */ = {
+			isa = PBXGroup;
+			children = (
+				84E292DA164FE133009BA631 /* Foundation.framework */,
+			);
+			name = Frameworks;
+			sourceTree = "<group>";
+		};
+		84E292DC164FE133009BA631 /* pr1dna */ = {
+			isa = PBXGroup;
+			children = (
+				84E292DD164FE133009BA631 /* main.m */,
+				84E292E8164FE341009BA631 /* Cell.h */,
+				84E292E9164FE341009BA631 /* Cell.m */,
+				84E292E1164FE133009BA631 /* pr1dna.1 */,
+				84E292DF164FE133009BA631 /* Supporting Files */,
+			);
+			path = pr1dna;
+			sourceTree = "<group>";
+		};
+		84E292DF164FE133009BA631 /* Supporting Files */ = {
+			isa = PBXGroup;
+			children = (
+				84E292E0164FE133009BA631 /* pr1dna-Prefix.pch */,
+			);
+			name = "Supporting Files";
+			sourceTree = "<group>";
+		};
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+		84E292D5164FE133009BA631 /* pr1dna */ = {
+			isa = PBXNativeTarget;
+			buildConfigurationList = 84E292E5164FE133009BA631 /* Build configuration list for PBXNativeTarget "pr1dna" */;
+			buildPhases = (
+				84E292D2164FE133009BA631 /* Sources */,
+				84E292D3164FE133009BA631 /* Frameworks */,
+				84E292D4164FE133009BA631 /* CopyFiles */,
+			);
+			buildRules = (
+			);
+			dependencies = (
+			);
+			name = pr1dna;
+			productName = pr1dna;
+			productReference = 84E292D6164FE133009BA631 /* pr1dna */;
+			productType = "com.apple.product-type.tool";
+		};
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+		84E292CD164FE133009BA631 /* Project object */ = {
+			isa = PBXProject;
+			attributes = {
+				LastUpgradeCheck = 0420;
+			};
+			buildConfigurationList = 84E292D0164FE133009BA631 /* Build configuration list for PBXProject "pr1dna" */;
+			compatibilityVersion = "Xcode 3.2";
+			developmentRegion = English;
+			hasScannedForEncodings = 0;
+			knownRegions = (
+				en,
+			);
+			mainGroup = 84E292CB164FE133009BA631;
+			productRefGroup = 84E292D7164FE133009BA631 /* Products */;
+			projectDirPath = "";
+			projectRoot = "";
+			targets = (
+				84E292D5164FE133009BA631 /* pr1dna */,
+			);
+		};
+/* End PBXProject section */
+
+/* Begin PBXSourcesBuildPhase section */
+		84E292D2164FE133009BA631 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				84E292DE164FE133009BA631 /* main.m in Sources */,
+				84E292EA164FE341009BA631 /* Cell.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		84E292E3164FE133009BA631 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_ENABLE_OBJC_ARC = YES;
+				COPY_PHASE_STRIP = NO;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+			};
+			name = Debug;
+		};
+		84E292E4164FE133009BA631 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				ARCHS = "$(ARCHS_STANDARD_64_BIT)";
+				CLANG_ENABLE_OBJC_ARC = YES;
+				COPY_PHASE_STRIP = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_MISSING_PROTOTYPES = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.7;
+				SDKROOT = macosx;
+			};
+			name = Release;
+		};
+		84E292E6164FE133009BA631 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "pr1dna/pr1dna-Prefix.pch";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Debug;
+		};
+		84E292E7164FE133009BA631 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = "pr1dna/pr1dna-Prefix.pch";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		84E292D0164FE133009BA631 /* Build configuration list for PBXProject "pr1dna" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				84E292E3164FE133009BA631 /* Debug */,
+				84E292E4164FE133009BA631 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		84E292E5164FE133009BA631 /* Build configuration list for PBXNativeTarget "pr1dna" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				84E292E6164FE133009BA631 /* Debug */,
+				84E292E7164FE133009BA631 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = 84E292CD164FE133009BA631 /* Project object */;
+}
diff --git a/pr1dna.xcodeproj/project.xcworkspace/contents.xcworkspacedata b/pr1dna.xcodeproj/project.xcworkspace/contents.xcworkspacedata
new file mode 100644
index 00000000..2b5fda53
--- /dev/null
+++ b/pr1dna.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:pr1dna.xcodeproj">
+   </FileRef>
+</Workspace>
diff --git a/pr1dna.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate b/pr1dna.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate
new file mode 100644
index 00000000..4e7c20fd
Binary files /dev/null and b/pr1dna.xcodeproj/project.xcworkspace/xcuserdata/admin.xcuserdatad/UserInterfaceState.xcuserstate differ
diff --git a/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist b/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist
new file mode 100644
index 00000000..05301bc2
--- /dev/null
+++ b/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcdebugger/Breakpoints.xcbkptlist
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Bucket
+   type = "1"
+   version = "1.0">
+</Bucket>
diff --git a/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcschemes/pr1dna.xcscheme b/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcschemes/pr1dna.xcscheme
new file mode 100644
index 00000000..8fde4b63
--- /dev/null
+++ b/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcschemes/pr1dna.xcscheme
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   version = "1.3">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "84E292D5164FE133009BA631"
+               BuildableName = "pr1dna"
+               BlueprintName = "pr1dna"
+               ReferencedContainer = "container:pr1dna.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.GDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      buildConfiguration = "Debug">
+      <Testables>
+      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "84E292D5164FE133009BA631"
+            BuildableName = "pr1dna"
+            BlueprintName = "pr1dna"
+            ReferencedContainer = "container:pr1dna.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
+   </TestAction>
+   <LaunchAction
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.GDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.GDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Debug"
+      debugDocumentVersioning = "YES"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "84E292D5164FE133009BA631"
+            BuildableName = "pr1dna"
+            BlueprintName = "pr1dna"
+            ReferencedContainer = "container:pr1dna.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+      <AdditionalOptions>
+      </AdditionalOptions>
+   </LaunchAction>
+   <ProfileAction
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      buildConfiguration = "Release"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "84E292D5164FE133009BA631"
+            BuildableName = "pr1dna"
+            BlueprintName = "pr1dna"
+            ReferencedContainer = "container:pr1dna.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>
diff --git a/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcschemes/xcschememanagement.plist b/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcschemes/xcschememanagement.plist
new file mode 100644
index 00000000..f9a17604
--- /dev/null
+++ b/pr1dna.xcodeproj/xcuserdata/admin.xcuserdatad/xcschemes/xcschememanagement.plist
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>SchemeUserState</key>
+	<dict>
+		<key>pr1dna.xcscheme</key>
+		<dict>
+			<key>orderHint</key>
+			<integer>0</integer>
+		</dict>
+	</dict>
+	<key>SuppressBuildableAutocreation</key>
+	<dict>
+		<key>84E292D5164FE133009BA631</key>
+		<dict>
+			<key>primary</key>
+			<true/>
+		</dict>
+	</dict>
+</dict>
+</plist>
diff --git a/pr1dna/Cell.h b/pr1dna/Cell.h
new file mode 100644
index 00000000..01d872ea
--- /dev/null
+++ b/pr1dna/Cell.h
@@ -0,0 +1,19 @@
+//
+//  Cell.h
+//  pr1dna
+//
+//  Created by админ on 11.11.12.
+//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface Cell : NSObject {
+    NSMutableArray *DNA;
+}
+
+
+-(int) hammingDistance: (Cell*) myCell;
+-(NSString *) getLetter;
+
+@end
diff --git a/pr1dna/Cell.m b/pr1dna/Cell.m
new file mode 100644
index 00000000..8b72600e
--- /dev/null
+++ b/pr1dna/Cell.m
@@ -0,0 +1,56 @@
+//
+//  Cell.m
+//  pr1dna
+//
+//  Created by админ on 11.11.12.
+//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
+//
+
+#import "Cell.h"
+
+@implementation Cell 
+
+-(id) init {
+    self = [super init];
+    
+    if (self) {
+        DNA = [[NSMutableArray alloc] init];
+        for (int i = 0 ; i < 100; i++) {
+            [DNA addObject:[NSString stringWithString:[self getLetter]]];
+        }
+    }
+    return self;
+}
+
+-(NSString *) getLetter {
+    NSString *newElement;
+    int r = arc4random_uniform(4);
+    if (r == 0)
+        newElement = @"A";
+    else if (r == 1)
+        newElement = @"T";
+    else if (r == 2)
+        newElement = @"G";
+    else
+        newElement = @"C";
+    return newElement;
+}
+
+-(int) hammingDistance: (Cell*) myCell {
+    int hammingDistance=0;//Сколько всего элементов не совпало
+    //Сравнение элементов:
+    NSArray *cell1 = DNA;
+    NSArray *cell2 = myCell->DNA;
+    
+    for (int i=0; i<cell2.count; i++) {
+        NSString *element1 = [cell1 objectAtIndex:i];
+        NSString *element2 = [cell2 objectAtIndex:i];
+        if (![element1 isEqualToString:element2]) {
+            hammingDistance++;
+        }
+    }
+    return hammingDistance;
+}
+
+
+@end
diff --git a/pr1dna/main.m b/pr1dna/main.m
new file mode 100644
index 00000000..db0cacaa
--- /dev/null
+++ b/pr1dna/main.m
@@ -0,0 +1,63 @@
+//
+//  main.m
+//  pr1dna
+//
+//  Created by админ on 11.11.12.
+//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "Cell.h"
+
+@interface Cell (mutator)
+    -(void) mutate: (int) x;
+@end
+
+@implementation Cell (mutator)
+
+-(void) mutate:(int)x {
+    //Копируем массив. Кажется плохим решением
+    NSMutableArray *tempArray = [[NSMutableArray alloc] initWithArray:DNA];
+    
+    for (int i =0; i<x; i++) {
+        int rnd = arc4random_uniform(DNA.count);
+        
+        //Проверка меняли ли этот элемент массива или нет
+        while (![[tempArray objectAtIndex:rnd] isEqualToString:@"1"]) {
+            
+            NSString *myLetter = [self getLetter];
+            //Проверка на совпадение букв
+            while ([[DNA objectAtIndex:rnd] isEqualToString:myLetter]) {
+                //если буквы одинаковы, то выдаем новую букву
+                myLetter = [self getLetter];
+            }
+            //заменяем букву новой
+            [DNA replaceObjectAtIndex:rnd withObject:myLetter];
+            //Отмечаем что этот элемент уже меняли
+            [tempArray replaceObjectAtIndex:rnd withObject:@"1"];
+        }
+    }
+}
+
+@end
+
+int main (int argc, const char * argv[])
+{
+
+    @autoreleasepool {
+        Cell *myCell1, *myCell2;
+        myCell1 = [[Cell alloc] init];
+        myCell2 = [[Cell alloc] init];
+        
+        NSLog(@"hammingDistance = %i",[myCell1 hammingDistance:myCell2]);
+        
+        [myCell1 mutate:20];
+        [myCell2 mutate:30];
+        
+        NSLog(@"new hammingDistance = %i",[myCell1 hammingDistance:myCell2]);
+        
+        
+    }
+    return 0;
+}
+
diff --git a/pr1dna/pr1dna-Prefix.pch b/pr1dna/pr1dna-Prefix.pch
new file mode 100644
index 00000000..f24d8816
--- /dev/null
+++ b/pr1dna/pr1dna-Prefix.pch
@@ -0,0 +1,7 @@
+//
+// Prefix header for all source files of the 'pr1dna' target in the 'pr1dna' project
+//
+
+#ifdef __OBJC__
+    #import <Foundation/Foundation.h>
+#endif
diff --git a/pr1dna/pr1dna.1 b/pr1dna/pr1dna.1
new file mode 100644
index 00000000..682e7f63
--- /dev/null
+++ b/pr1dna/pr1dna.1
@@ -0,0 +1,79 @@
+.\"Modified from man(1) of FreeBSD, the NetBSD mdoc.template, and mdoc.samples.
+.\"See Also:
+.\"man mdoc.samples for a complete listing of options
+.\"man mdoc for the short list of editing options
+.\"/usr/share/misc/mdoc.template
+.Dd 11.11.12               \" DATE 
+.Dt pr1dna 1      \" Program name and manual section number 
+.Os Darwin
+.Sh NAME                 \" Section Header - required - don't modify 
+.Nm pr1dna,
+.\" The following lines are read in generating the apropos(man -k) database. Use only key
+.\" words here as the database is built based on the words here and in the .ND line. 
+.Nm Other_name_for_same_program(),
+.Nm Yet another name for the same program.
+.\" Use .Nm macro to designate other names for the documented program.
+.Nd This line parsed for whatis database.
+.Sh SYNOPSIS             \" Section Header - required - don't modify
+.Nm
+.Op Fl abcd              \" [-abcd]
+.Op Fl a Ar path         \" [-a path] 
+.Op Ar file              \" [file]
+.Op Ar                   \" [file ...]
+.Ar arg0                 \" Underlined argument - use .Ar anywhere to underline
+arg2 ...                 \" Arguments
+.Sh DESCRIPTION          \" Section Header - required - don't modify
+Use the .Nm macro to refer to your program throughout the man page like such:
+.Nm
+Underlining is accomplished with the .Ar macro like this:
+.Ar underlined text .
+.Pp                      \" Inserts a space
+A list of items with descriptions:
+.Bl -tag -width -indent  \" Begins a tagged list 
+.It item a               \" Each item preceded by .It macro
+Description of item a
+.It item b
+Description of item b
+.El                      \" Ends the list
+.Pp
+A list of flags and their descriptions:
+.Bl -tag -width -indent  \" Differs from above in tag removed 
+.It Fl a                 \"-a flag as a list item
+Description of -a flag
+.It Fl b
+Description of -b flag
+.El                      \" Ends the list
+.Pp
+.\" .Sh ENVIRONMENT      \" May not be needed
+.\" .Bl -tag -width "ENV_VAR_1" -indent \" ENV_VAR_1 is width of the string ENV_VAR_1
+.\" .It Ev ENV_VAR_1
+.\" Description of ENV_VAR_1
+.\" .It Ev ENV_VAR_2
+.\" Description of ENV_VAR_2
+.\" .El                      
+.Sh FILES                \" File used or created by the topic of the man page
+.Bl -tag -width "/Users/joeuser/Library/really_long_file_name" -compact
+.It Pa /usr/share/file_name
+FILE_1 description
+.It Pa /Users/joeuser/Library/really_long_file_name
+FILE_2 description
+.El                      \" Ends the list
+.\" .Sh DIAGNOSTICS       \" May not be needed
+.\" .Bl -diag
+.\" .It Diagnostic Tag
+.\" Diagnostic informtion here.
+.\" .It Diagnostic Tag
+.\" Diagnostic informtion here.
+.\" .El
+.Sh SEE ALSO 
+.\" List links in ascending order by section, alphabetically within a section.
+.\" Please do not reference files that do not exist without filing a bug report
+.Xr a 1 , 
+.Xr b 1 ,
+.Xr c 1 ,
+.Xr a 2 ,
+.Xr b 2 ,
+.Xr a 3 ,
+.Xr b 3 
+.\" .Sh BUGS              \" Document known, unremedied bugs 
+.\" .Sh HISTORY           \" Document history if command behaves in a unique manner
\ No newline at end of file