GIT is one of the best systems for version control. I don’t want talk about benefits or other things now. I tell you how to work with GIT and do really useful things with it. Very simple installation and a list of frequently used commands:

Install GIT: (You see It’s very easy)

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apt-get update && apt-get install git-core

Create new git repository:

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git init

Add all changes to repository:

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git add .

Consolidation of all changes:

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git commit -a

Consolidation of all changes with commit message:

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git commit -a -m "Commit Message"

Revert last commit:

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git reset --soft HEAD^

Current working directory status:

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git status

Diff since last commit:

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git diff

Add link to remote repository:

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git remote add origin ssh://id@gitcher/opt/repository

Remove link to remote repository:

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git remote rm origin

Get all new versions from source(remote repository):

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git pull origin master

Push all new changes to source(remote repository):

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git push origin master

Create new working tree(branch):

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git branch branch_name

Change between branches:

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git checkout branch_name

Merge braches:

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git merge branch_name

Delete branch:

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git branch -d branch_name

Remove branch force:

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git branch -D branch_name

And more complicated examples
Create local working space and push all changes to remote repository:

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git init
touch Initial_File
git add Initial_File
git commit -a -m "Initial commit"
git remote add origin ssh://id@gitcher/opt/repository
git push origin master

Create brach, edit and merge:

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git init
git branch test
git checkout test
# ...
# add changes
# ...
git commit -a -m "Branch commit"
git checkout
git merge test
git branch -d test

Messed up the last commit message? This will let you re-enter it:

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git commit --amend

GIT Tagging
for example you want to release a new version of your project:

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git tag -a v0.1 -m 'Intitial tag vesrion 0.1'

Clone remote repositoty

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git clone id@gitche:scripts.git