What is the difference between a commit and a push?

A commit saves your changes to your local Git history. A push sends those commits to a remote server like GitHub. You must commit first, then push. You can make many commits locally before pushing once.

Why do I need to write a commit message?

A commit message explains what you changed and why. Future engineers (including you) will read this message to understand the history of the code. A clear message saves debugging time later.

If the commit is only local (not pushed), you can undo it with git reset. If it is already pushed, you must create a new commit that removes the changes. This is called reverting.

Should I commit frequently or less often?

Commit frequently, but keep each commit focused on one logical change. This makes the history clear and makes it easier to find bugs with tools like git bisect. Avoid committing unrelated changes together.

What should a good commit message look like?

A good message has a short subject line (50 characters or less) that says what changed, followed by a blank line, then a longer explanation of why. Example: "Fix authentication timeout in login flow" instead of "bug fix" or "stuff."

Is there a difference between commit and check-in?

Check-in is older terminology from older version control systems. Commit is the modern standard term used with Git. They mean the same thing, but commit is what you will hear in modern software teams.

What Does Commit Mean in Tech? | Speak Tech English

Say it like this

✓Can you commit that fix?

✓I need to commit my changes before the deadline.

✓Did you commit your code to the right branch?

✓Let me commit this and push it.

✓Make sure your commit message is clear.

✓That commit broke the build.

Real examples

Standup

"Yesterday I committed the authentication fix to the develop branch, and today I am writing tests for it."

Slack

"Hey, can you commit those styling changes? The PR is waiting."

Code review

"This commit is good, but the message could be more descriptive. What problem does it solve?"

GitHub PR

"I have committed three changes: the API endpoint, the database query, and the error handling."

Jira ticket

"Ready for commit - all unit tests passing and linter clean."

Retrospective

"We should commit smaller, more focused changes so the history is easier to understand."

Interview

"In my last project, I committed code daily and always wrote clear commit messages for the team."

Don't say this

✕I committed my code to GitHub.

✓I committed my code and pushed it to GitHub.— A commit saves your work locally. You must push it to send it to GitHub. Commit and push are two separate actions.

✕I committed all my files at once without a message.

✓I committed my files with a clear message explaining what changed.— Every commit needs a message so other engineers understand what you changed. An empty or unclear message makes the project history confusing.

✕The commit is broken because the code does not work.

✓The commit contains code that does not work, or the commit broke the build.— A commit is the action of saving code. The code itself is what is broken, not the commit. Be precise about what the problem is.

Other forms

verb

commit

"I commit my changes every hour."

verb (past tense)

committed

"She committed the bug fix yesterday."

verb (present participle)

committing

"He is committing his changes right now."

noun

commit

"That commit fixed the memory leak."

noun (plural)

commits

"There are 15 commits in this pull request."

Often used with

commit messageThe text you write to explain what your commit does. Always write clear commit messages.

commit to (a branch)Save your changes to a specific branch. You must commit to the correct branch.

atomic commitA commit that contains one complete, logical change. Good engineers make atomic commits.

commit historyThe full record of all commits in a project. The history should tell the story of the code.

revert a commitUndo a commit by creating a new commit that removes the changes. Used when a commit introduced a bug.

squash commitsCombine multiple small commits into one larger commit. Done to clean up the history before merging.

Similar words

saveA general term. Commit is more specific to version control systems. You save a file locally; you commit it to Git.

check inAn older term, mostly used in older version control systems. Commit is the modern standard in Git.

pushRelated but different. Push sends a commit to the remote server. You commit locally first, then push.

submitUsed in some contexts to mean putting code forward for review. Not as precise as commit in software teams.

recordA commit records your changes in the version history. This is what commit does, but commit is the technical term.

Opposites

discardrevertundostash (save locally without committing)delete

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Practice

Try it

4 quick exercises

Choose the most natural sentence

1. Which sentence sounds most natural in a code review?

Your commit is good, but the message is unclear.Your code is committed and the message is unclear.You committed too fast and the message is unclear.The commit message was written unclearly by you.

Spot the mistake

2. Which sentence has an error?

I committed my changes and pushed them to GitHub.She committed the file without a message.They committed all their work to GitHub yesterday.We need to commit our code at the server.

Fill in the blank

3. I __________ three small changes to the main branch this morning.

Rewrite for clarity

4. Rewrite this to use commit correctly: 'I saved all my code to GitHub without telling anyone what I changed.'

Questions

Quick poll

Have you said "commit" in a standup this week?

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