Quick Reference

Fresh

Fast lookup for tmux commands, shortcuts, and troubleshooting.

Quick Links

Reference	Description
Commands	CLI commands for scripting
Keyboard Shortcuts	Interactive shortcuts
Troubleshooting	Common issues and fixes

Essential Shortcuts

Prefix Key

All shortcuts start with the prefix Ctrl+b (default). Press prefix, release, then press action key.

Action	Shortcut
Sessions
Detach	`Ctrl+b` `d`
List sessions	`Ctrl+b` `s`
Windows
New window	`Ctrl+b` `c`
Next window	`Ctrl+b` `n`
Previous window	`Ctrl+b` `p`
Panes
Split horizontal	`Ctrl+b` `"`
Split vertical	`Ctrl+b` `%`
Navigate	`Ctrl+b` `arrow`
Zoom toggle	`Ctrl+b` `z`
Close pane	`Ctrl+b` `x`
Other
Command mode	`Ctrl+b` `:`
Help	`Ctrl+b` `?`

Essential Commands

bash

# Sessions
tmux new -s name          # New named session
tmux ls                   # List sessions
tmux attach -t name       # Attach to session
tmux kill-session -t name # Kill session

# Quick attach-or-create
tmux new-session -A -s name

Quick Troubleshooting

Problem	Solution
Session lost on SSH disconnect	`tmux attach` to reconnect
"no sessions" error	Create one: `tmux new -s name`
Prefix not working	Check `~/.tmux.conf` for conflicts
Nested tmux warning	Use different prefix on inner/outer