add tmux

IT/tmux.md

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+# Tmux
+
+## command
+
+command | comportment
+--------|------------
+ls | print running session
+attach -t 0 | connect to session pass in parameter
+
+
+## keyboard shortcut
+
+- master key: ctrl-b
+
+key|comportment
+---|-----------
+?  | print all shortcut
+-  | split vertical panel
+|  | split horizontal panel
+z  | full screen panel
+,  | rename windows
+## move into pane
+
+Use atl with directional arrow or vim mode key jklm
+
+