Command Line IDE

Functionality Matrix

• Iterm2-tmux integration: "The tmux prefix key is not needed, as native menu commands operate on tmux windows"

functionality	screen	tmux	Iterm2 w/ tmux integration
new session	screen -S <name>	tmux new -s <name>	tmux -CC new -s <name>
new vertical split pane	N/A	C-b %	⌘-D
new horizontal split pane	N/A	C-b "	Shift-⌘-D
new tab in same window	N/A	N/A	Ctrl-⌘-Shift-T
new window in same session	N/A	C-b c	Ctrl-⌘-Shift-N
detach from session	C-a d	C-b d	Ctrl-⌘-Shift-D
kill window	C-a KK	C-b &	C-d/⌘-w
switch between panes in a window	N/A	C-b left/right	⌘-Option left/right
rotate between tabbed windows in a session	N/A	C-b n	⌘-Left/Right or C-Tab
goto specific tab in session	N/A	C-b <window number>	⌘-<window number>
scroll up to see past output	N/A	C-b Page Up (Fn-Up)	Just scroll up

tmux

• tmux shortcuts & cheatsheet
• Tao of Tmux
• Learning tmux Kata Style

My .tmux.conf

set-option -g allow-rename off
setw -g mode-keys vi
set -g default-terminal "screen-256color"
set -g prefix C-j
unbind C-b
bind C-j send-prefix
set -g @plugin 'tmux-plugins/tpm'
set -g @plugin 'tmux-plugins/tmux-sensible'
set -g @plugin 'tmux-plugins/tmux-resurrect'
run '~/.tmux/plugins/tpm/tpm'

Terminology

• "window" = app
• "pane" = window
• "session" = group of windows and panes

Commands

• tmux =
• tmux new -s <session name> =
• tmux a = reattach to current session
• tmux ls = list sessions
• tmux kill-session -t <session name> = kill-session

Commands inside session

• C-b ? = help
• C-b % = vsplit new pane
• C-b " = horiz split new pane
• C-b { = cycle panes right
• C-b } = cycle panes left
• C-b [up|down|left|right] =
• C-b c = new window inside session
• C-b [0|1|2|...] = go to window index inside session
• C-b :swapp -s 1.0 = swap prompt in window 1 pane 0 with current
• C-b ! = break pane out of window into a new session
• C-b w = list of open windows
• C-b d = detatch client
• C-b C-z = suspend client (put into UNIX background)
• C-b & = Kill window
• C-b x = Kill pane
• C-b Fn+Up = Scroll up
• C-b Fn+Down = Scroll down
• C-b . = Move window, i.e., change window index to occupy a currently unoccupied index (due to window-closing, etc)
• C-b :rename-window new_name

Iterm2

• tmux/Iterm2 integration
• Command-Shift-B - toggle toolbelt
• Autocomplete previously completed command: start typing and then ⌘-; for options
• Full screen mode: ⌘-Enter
• imgcat

My config options

• Preferences->Pointer->Pointer Follows Mouse
• Preferences->Profiles->Terminal->Unlimited Scrollback

Mouseless copy

1. ⌘-f to open find
2. ⌘-g to cycle backward through matches
3. Shift- ⌘-g to cycle forward through matches
4. <tab> advance selection FORWARD one word
5. Shift-<tab> advance selection BACKWARD one word

Screen

• screen - create a new screen
• C-a becomes a special character only recognized by screen, use C-a a
• C-a d = detach window
• once detached, screen -r to reattach to your one screen window
• screen -list to show a list of all the windows
• screen -S convenient_session_name = start a screen window named bleh
• screen -r convenient_session_name = reattach to a screen window named bleh
• screen -D -R bleh = I don't care what you're doing, reconnect to a lost screen session window
• C-a ? to show key bindings.
• C-a K to kill window.
• student-teacher screen "multi-user mode"