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Tmux_copy_paste_method.md

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Using Copy Mode in tmux

Basic Copy Operation

To copy text in tmux, you first need to enter copy mode.

Basic Flow:

  1. Press Ctrl + b then immediately press [ → This enters copy mode
  2. Use arrow keys to navigate to the text you want to copy
  3. Press the spacebar to mark the starting point
  4. Use arrow keys to move to the endpoint
  5. Press Enter to complete the copy operation
  6. The copied text is now in the tmux internal buffer → Paste with Ctrl + b then ]

Copying to System Clipboard (X11, Wayland, macOS)

By default, tmux doesn't integrate with the system clipboard, so tools like xclip, xsel, or pbcopy are needed.

Ubuntu/Linux:

  1. Install xclip: 
    sudo apt install xclip
  2. Add the following to your .tmux.conf: 
    set-option -g set-clipboard on
bind-key -T copy-mode-vi y send-keys -X copy-pipe-and-cancel "xclip -selection clipboard -in"

macOS:

Add to your .tmux.conf:

bind-key -T copy-mode-vi y send -X copy-pipe-and-cancel "pbcopy"

How to Copy to System Clipboard (After Applying Settings)

1. Enter Copy Mode

  • Press Ctrl + b
  • Press [ to enter copy mode

2. Select Text to Copy

  • Navigate with arrow keys or mouse
  • Press spacebar to set the starting point
  • Move to the endpoint using arrow keys
  • Press y to copy (this will copy to the system clipboard via xclip as configured)

Note: Previously you would press Enter, but now you press the y key instead

Verify Copy Success

  • Press Ctrl + Shift + V to paste and verify
  • Alternatively, try pasting into a text editor or browser address bar

✅ If Settings Are Not Applied

If your settings aren't working, reload your .tmux.conf with:

tmux source-file ~/.tmux.conf

Reference