Basic Session Management

Create a New Session:
tmux new -s session_name
Or within an active session:
:new-session -s session_name

Window (Page) Management

Create a New Window (Page):
Ctrl-b c
Switch Between Windows (Pages):
Ctrl-b n — This moves to the next window.
Ctrl-b p — This moves to the previous window.
Ctrl-b w — This lists all windows and allows you to select one to switch to.
Ctrl-b <window number> — This directly switches to the window by its number.
Rename a Window:
Ctrl-b , — This allows you to rename the current window.
Close a Window (Page):
Ctrl-b & — This closes the current window.

Split Window Vertically:
Ctrl-b % — This splits the current window into two panes side by side.
Split Window Horizontally:
Ctrl-b " — This splits the current window into two panes, one above the other.
Switch Between Panes:
Ctrl-b o — This cycles through open panes in the current window.
Ctrl-b ; — This toggles between the last two active panes.
Ctrl-b ←, →, ↑, ↓ — This navigates between panes in the respective direction.
Resize Panes:
Ctrl-b Ctrl ←, →, ↑, ↓ — Resize pane.
Ctrl-b :resize-pane -D — Resize pane downwards.
Ctrl-b :resize-pane -U — Resize pane upwards.
Ctrl-b :resize-pane -L — Resize pane to the left.
Ctrl-b :resize-pane -R — Resize pane to the right.
Close a Pane:
Ctrl-b x — This closes the current pane.

Detach from Session:
Ctrl-b d — This detaches you from the current session, leaving it running in the background.
Reattach to a Session:
tmux attach -t session_name
List Sessions:
tmux ls — This lists all sessions
Ctrl-b s — This lists all sessions, allowing you to switch between them.
Kill a Session:
Ctrl-b :kill-session -t session_name