This is just a simple note of some TMUX and BASH profile configuration that I find helpful when developing.
Tmux lets you split screens arbitrarily. So, you can divide one terminal up into, say, 1 half-screen, full width panel up top and 2, quarter-screen panels on the bottom. Generally, you have to hop around by pushing ctrl + b and then a key (like % or “) to split a screen into multiple panels horizontally or vertically. Equally, you do ctrl +b and an arrow key to move between panes.
Two problems with this are:
- ctrl+b is an awful hot key, it’s hard to reach and you’ll use it constantly.
- Once you end up in quarter-size screens, even on big monitors, your default terminal prompt (the thing that shows up before you type commands) becomes too large for comfortable use.
Edit (or create) the file ~/.tmux.conf to customize tmux. Then add these lines. The first two switch the ctrl + b hotkey to ctrl + a (which is much more convenient for constant use). The others are just nice fixes to have around for other reasons.
# remap prefix from 'C-b' to 'C-a' unbind C-b set-option -g prefix C-a #Fix some annoying behavior that makes some keys not work. bind-key C-a send-prefix # Start window numbering at 1 set -g base-index 1
Bash Profile Prompt Config
Edit your ~/.bashrc file (your bash profile). If a line for PS1= already exists, you’ll want to comment it out or modify it, otherwise just add this in:
This changes your terminal prompt to only show . So, for example, if my name is John and I’m working in a folder called /opt/code, it would just display john:code vs a full path name with additional info (which takes up way too much space on quarter-size panes).
I hope you find this useful, and thanks for reading!