diff --git a/README.txt b/README.txt
new file mode 100644
index 0000000..4bf7a0b
--- /dev/null
+++ b/README.txt
@@ -0,0 +1,169 @@
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense
+$ mkdir DIR_1
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense
+$ cd DIR_1
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1
+$ git init
+Initialized empty Git repository in C:/Users/kolya/Desktop/lab02 - Defense/DIR_1/.git/
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (master)
+$ git branch -m main
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git config user.name 'Nick (KrivobokovNS)'
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git config user.email 'KrivobokovNS@mpei.ru'
+
+//Создал текстовый файл letters.txt и записал в него буквы a, b и c на разные строки.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git add letters.txt
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git commit -m 'Добавлен текстовый файл'
+[main (root-commit) ac0af54] Добавлен текстовый файл
+ 1 file changed, 3 insertions(+)
+ create mode 100644 letters.txt
+
+//В текстовом файле letters.txt удалил букву c и добавил буквы d, e и f на разные строки.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git add letters.txt
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git commit -m 'Текстовый файл изменён'
+[main e4a66c1] Текстовый файл изменён
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git show HEAD									// Просмотрел содержимое последнего коммита.
+commit e4a66c12e6cbcf2e6779e6ac8d62675896316258 (HEAD -> main)
+Author: Nick (KrivobokovNS) <KrivobokovNS@mpei.ru>
+Date:   Thu Jul 3 15:20:43 2025 +0300
+
+    Текстовый файл изменён
+
+diff --git a/letters.txt b/letters.txt
+index 1c943a9..e62abb9 100644
+--- a/letters.txt
++++ b/letters.txt
+@@ -1,3 +1,5 @@
+ a
+ b
+-c
+\ No newline at end of file
++d
++e
++f
+\ No newline at end of file
+
+//Создал новый репозитарий cs-lab02-defense на сайте и привязал его.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git remote add origin git@uit.mpei.ru:KrivobokovNS/cs-lab02-defense.git
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git push -u origin main							//Отправил коммиты на сервер.
+Enumerating objects: 6, done.
+Counting objects: 100% (6/6), done.
+Delta compression using up to 16 threads
+Compressing objects: 100% (2/2), done.
+Writing objects: 100% (6/6), 533 bytes | 533.00 KiB/s, done.
+Total 6 (delta 0), reused 0 (delta 0), pack-reused 0 (from 0)
+remote: . Processing 1 references
+remote: Processed 1 references in total
+To uit.mpei.ru:KrivobokovNS/cs-lab02-defense.git
+ * [new branch]      main -> main
+branch 'main' set up to track 'origin/main'.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ cd ..
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense
+$ git clone git@uit.mpei.ru:KrivobokovNS/cs-lab02-defense.git DIR_2		//Клонировал проект в отдельный каталог DIR_2.
+Cloning into 'DIR_2'...
+remote: Enumerating objects: 6, done.
+remote: Counting objects: 100% (6/6), done.
+remote: Compressing objects: 100% (2/2), done.
+remote: Total 6 (delta 0), reused 0 (delta 0), pack-reused 0
+Receiving objects: 100% (6/6), done.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense
+$ cd DIR_2
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_2 (main)			//
+$ git config user.name 'John (KrivobokovNS)'					//
+										//	Настроил имя и почту для второго каталога.
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_2 (main)			//
+$ git config user.email 'KrivobokovNS@mpei.ru'					//
+
+//В текстовом файле letters.txt добавил буквы g и h на разные строки.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_2 (main)
+$ git add letters.txt
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_2 (main)
+$ git commit -m 'Добавлены g и h'
+[main 1ec6137] Добавлены g и h
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_2 (main)
+$ git push									//Отправил изменения на сервер.
+Enumerating objects: 5, done.
+Counting objects: 100% (5/5), done.
+Writing objects: 100% (3/3), 292 bytes | 292.00 KiB/s, done.
+Total 3 (delta 0), reused 0 (delta 0), pack-reused 0 (from 0)
+remote: . Processing 1 references
+remote: Processed 1 references in total
+To uit.mpei.ru:KrivobokovNS/cs-lab02-defense.git
+   e4a66c1..1ec6137  main -> main
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_2 (main)
+$ cd ..
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense
+$ cd DIR_1									//Вернулся в исходный репозитарий.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git fetch
+remote: Enumerating objects: 5, done.
+remote: Counting objects: 100% (5/5), done.
+remote: Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
+Unpacking objects: 100% (3/3), 272 bytes | 34.00 KiB/s, done.
+From uit.mpei.ru:KrivobokovNS/cs-lab02-defense
+   e4a66c1..1ec6137  main       -> origin/main
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git log --oneline --decorate -- all --graph
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git log --oneline --decorate --all --graph
+* 1ec6137 (origin/main, origin/HEAD) Добавлены g и h
+* e4a66c1 (HEAD -> main) Текстовый файл изменён
+* ac0af54 Добавлен текстовый файл
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git pull --ff-only								//Скачал новую версию истории с сервера.
+Updating e4a66c1..1ec6137
+Fast-forward
+ letters.txt | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git merge origin
+Already up to date.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git merge origin/main
+Already up to date.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$ git merge HEAD
+Already up to date.
+
+kolya@Nikolay MINGW64 ~/Desktop/lab02 - Defense/DIR_1 (main)
+$