Tmux Cheatsheet
Prefix Key
Prefix: Ctrl-a
All commands below require pressing the prefix first, unless otherwise noted.
Copy Mode (Vi-style)
| Key |
Action |
Esc or Ctrl-[ |
Enter copy mode |
v |
Begin selection (in copy mode) |
y or Enter |
Copy selection to macOS clipboard |
p |
Paste from tmux buffer |
Pane Management
Creating Panes
| Key |
Action |
' |
Split pane horizontally (side by side) |
- |
Split pane vertically (top/bottom) |
Navigating Panes
| Key |
Action |
h |
Move to left pane |
j |
Move to down pane |
k |
Move to up pane |
l |
Move to right pane |
Ctrl-j |
Cycle to next pane |
Resizing Panes
| Key |
Action |
H |
Resize pane left (10 units) |
J |
Resize pane down (10 units) |
K |
Resize pane up (10 units) |
L |
Resize pane right (10 units) |
Window Management
| Key |
Action |
Ctrl-h |
Previous window |
Ctrl-l |
Next window |
Session Management (TMS Integration)
| Key |
Action |
( |
Previous session (with refresh) |
) |
Next session (with refresh) |
Ctrl-o |
Open TMS popup for session switching |
Configuration Details
- Base Index: Windows and panes start at 1 (not 0)
- Escape Time: 10ms (for vim responsiveness)
- History Limit: 10,000 lines
- Key Mode: Vi
- Terminal: xterm-256color
- Mouse: Disabled
- Repeat Time: 1000ms for repeatable commands
- Auto-renumber: Windows are renumbered when one is closed
- Activity Monitoring: Visual alerts when window has activity
Plugins
- sensible: Sensible default settings
- tokyo-night-tmux: Tokyo Night theme with transparency
- yank: Better clipboard integration
- resurrect: Save/restore tmux sessions
- continuum: Auto-save sessions every 60 minutes
