Keentune
Adaptive skill practice — find your level, get sharper.

Git practice

Branch, merge, rebase, and undo with confidence
Master version control with Git — the working-directory/staging/repo model, commits and branches, merge vs rebase (and when to use each), resolving conflicts, the remotes workflow (fetch/pull/push), and undoing/recovering work (reset vs revert, reflog, stash, cherry-pick). Concept and command-behavior questions that build real day-to-day Git fluency. Part of the Developer track.
• Meets you at your level — never too easy, never too hard.
• Adapts every question to how you’re doing.
• Tracks your level over time. Skill practice, not a test.
New here? Read the Git guide
A free 15-minute primer — the mental model, the mistakes beginners make, and what to practise first.
Curriculum
213 concepts across 24 chapters, from foundations through advanced practice — each one a concept the adaptive question bank can teach and test.
A. The object model
9
B. Refs, HEAD and reachability
9
C. The index and the three trees
9
D. Configuration
8
E. Making commits
8
F. Ignoring files, and attributes
10
G. Naming revisions
10
H. Reading history: log and blame
11
I. Diffs and patches
8
J. Branching
8
K. Merging
10
L. Merge strategies and rerere
8
M. Rebasing and rewriting history
13
N. Cherry-pick and revert
8
O. Undoing: reset, restore and clean
9
P. Stashing and multiple working trees
9
Q. Remotes, transports and clones
12
R. Tags, describe and notes
7
S. Hooks
8
T. Bisecting a regression
7
U. Submodules and vendoring
8
V. Maintenance, packing and large repositories
8
W. Reflog and recovery
8
X. Collaboration workflows
8
View the full curriculum →
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