Screen The virtual terminal manager for Version 4.6.2 Feb 2017 Copyright c 1993-2017 Free Software Foundation, Inc. Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the con- ditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Permission is granted to copy and distribute translations of this manual into another lan- guage, under the above conditions for modified versions, except that this permission notice may be stated in a translation approved by the Foundation. i Short Contents 1 Overview :::::::::::::::::::::::::::::::::::::::::::: 1 2 Getting Started ::::::::::::::::::::::::::::::::::::::: 3 3 Invoking Screen :::::::::::::::::::::::::::::::::::::: 5 4 Customizing Screen ::::::::::::::::::::::::::::::::::: 9 5 Commands :::::::::::::::::::::::::::::::::::::::::: 11 6 New Window :::::::::::::::::::::::::::::::::::::::: 27 7 Selecting a Window ::::::::::::::::::::::::::::::::::: 31 8 Session Management Commands :::::::::::::::::::::::: 33 9 Regions::::::::::::::::::::::::::::::::::::::::::::: 39 10 Window Settings ::::::::::::::::::::::::::::::::::::: 45 11 Virtual Terminal ::::::::::::::::::::::::::::::::::::: 51 12 Copy and Paste :::::::::::::::::::::::::::::::::::::: 65 13 Subprocess Execution ::::::::::::::::::::::::::::::::: 71 14 Key Binding::::::::::::::::::::::::::::::::::::::::: 73 15 Flow Control :::::::::::::::::::::::::::::::::::::::: 77 16 Termcap :::::::::::::::::::::::::::::::::::::::::::: 79 17 The Message Line :::::::::::::::::::::::::::::::::::: 85 18 Logging :::::::::::::::::::::::::::::::::::::::::::: 87 19 Startup ::::::::::::::::::::::::::::::::::::::::::::: 89 20 Miscellaneous commands::::::::::::::::::::::::::::::: 91 21 String Escapes ::::::::::::::::::::::::::::::::::::::: 99 22 Environment Variables ::::::::::::::::::::::::::::::: 103 23 Files Referenced ::::::::::::::::::::::::::::::::::::: 105 24 Credits :::::::::::::::::::::::::::::::::::::::::::: 107 25 Bugs :::::::::::::::::::::::::::::::::::::::::::::: 109 26 Installation ::::::::::::::::::::::::::::::::::::::::: 111 Concept Index :::::::::::::::::::::::::::::::::::::::::: 113 Command Index :::::::::::::::::::::::::::::::::::::::: 115 Keystroke Index :::::::::::::::::::::::::::::::::::::::: 119 iii Table of Contents 1 Overview ::::::::::::::::::::::::::::::::::::::::: 1 2 Getting Started:::::::::::::::::::::::::::::::::: 3 3 Invoking Screen :::::::::::::::::::::::::::::::::: 5 4 Customizing Screen:::::::::::::::::::::::::::::: 9 4.1 The .screenrc file ::::::::::::::::::::::::::::::::::::::::::::: 9 4.2 Source:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 9 4.3 Colon :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 9 5 Commands:::::::::::::::::::::::::::::::::::::: 11 5.1 Default Key Bindings:::::::::::::::::::::::::::::::::::::::::: 11 5.2 Command Summary::::::::::::::::::::::::::::::::::::::::::: 15 6 New Window ::::::::::::::::::::::::::::::::::: 27 6.1 Chdir ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 27 6.2 Screen Command:::::::::::::::::::::::::::::::::::::::::::::: 27 6.3 Setenv :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 28 6.4 Shell :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 28 6.5 Term :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 28 6.6 Window Types :::::::::::::::::::::::::::::::::::::::::::::::: 29 6.7 Window Groups ::::::::::::::::::::::::::::::::::::::::::::::: 30 7 Selecting a Window :::::::::::::::::::::::::::: 31 7.1 Moving Back and Forth:::::::::::::::::::::::::::::::::::::::: 31 7.2 Other Window :::::::::::::::::::::::::::::::::::::::::::::::: 31 7.3 Select ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 31 7.4 Windowlist :::::::::::::::::::::::::::::::::::::::::::::::::::: 31 8 Session Management Commands ::::::::::::: 33 8.1 Detach :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 33 8.2 Power Detach ::::::::::::::::::::::::::::::::::::::::::::::::: 33 8.3 Lock :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 34 8.4 Multiuser Session :::::::::::::::::::::::::::::::::::::::::::::: 34 8.4.1 Multiuser::::::::::::::::::::::::::::::::::::::::::::::::: 34 8.4.2 Acladd ::::::::::::::::::::::::::::::::::::::::::::::::::: 34 8.4.3 Aclchg ::::::::::::::::::::::::::::::::::::::::::::::::::: 34 8.4.4 Acldel :::::::::::::::::::::::::::::::::::::::::::::::::::: 35 8.4.5 Aclgrp:::::::::::::::::::::::::::::::::::::::::::::::::::: 35 iv Screen User's Manual 8.4.6 Displays :::::::::::::::::::::::::::::::::::::::::::::::::: 35 8.4.7 aclumask ::::::::::::::::::::::::::::::::::::::::::::::::: 36 8.4.8 Wall:::::::::::::::::::::::::::::::::::::::::::::::::::::: 37 8.4.9 Writelock::::::::::::::::::::::::::::::::::::::::::::::::: 37 8.4.10 Su :::::::::::::::::::::::::::::::::::::::::::::::::::::: 37 8.5 Session Name ::::::::::::::::::::::::::::::::::::::::::::::::: 37 8.6 Suspend ::::::::::::::::::::::::::::::::::::::::::::::::::::::: 38 8.7 Quit :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 38 9 Regions ::::::::::::::::::::::::::::::::::::::::: 39 9.1 Split :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 39 9.2 Focus ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 39 9.3 Only :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 40 9.4 Remove ::::::::::::::::::::::::::::::::::::::::::::::::::::::: 40 9.5 Resize ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 40 9.6 Caption ::::::::::::::::::::::::::::::::::::::::::::::::::::::: 41 9.7 Fit :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 41 9.8 Focusminsize :::::::::::::::::::::::::::::::::::::::::::::::::: 41 9.9 Layout :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 42 10 Window Settings:::::::::::::::::::::::::::::: 45 10.1 Naming Windows (Titles) :::::::::::::::::::::::::::::::::::: 45 10.1.1 Title Command ::::::::::::::::::::::::::::::::::::::::: 45 10.1.2 Dynamic Titles :::::::::::::::::::::::::::::::::::::::::: 45 10.1.3 Setting up your prompt for shell titles ::::::::::::::::::: 46 10.1.4 Setting up shell titles in your .screenrc ::::::::::::::::: 46 10.2 Console :::::::::::::::::::::::::::::::::::::::::::::::::::::: 47 10.3 Kill :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 47 10.4 Login :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 47 10.5 Mode :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 47 10.6 Monitoring ::::::::::::::::::::::::::::::::::::::::::::::::::: 48 10.7 Windows ::::::::::::::::::::::::::::::::::::::::::::::::::::: 49 10.8 Hardstatus ::::::::::::::::::::::::::::::::::::::::::::::::::: 49 10.9 Mousetrack :::::::::::::::::::::::::::::::::::::::::::::::::: 49 11 Virtual Terminal :::::::::::::::::::::::::::::: 51 11.1 Control Sequences :::::::::::::::::::::::::::::::::::::::::::: 51 11.2 Input Translation :::::::::::::::::::::::::::::::::::::::::::: 53 11.3 Digraph :::::::::::::::::::::::::::::::::::::::::::::::::::::: 55 11.4 Bell :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 59 11.5 Clear::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 60 11.6 Info :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 60 11.7 Redisplay :::::::::::::::::::::::::::::::::::::::::::::::::::: 61 11.8 Wrap :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 61 11.9 Reset :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 62 11.10 Window Size :::::::::::::::::::::::::::::::::::::::::::::::: 62 11.11 Character Processing :::::::::::::::::::::::::::::::::::::::: 62 v 12 Copy and Paste ::::::::::::::::::::::::::::::: 65 12.1 Copying:::::::::::::::::::::::::::::::::::::::::::::::::::::: 65 12.1.1 CR/LF :::::::::::::::::::::::::::::::::::::::::::::::::: 65 12.1.2 Scrollback ::::::::::::::::::::::::::::::::::::::::::::::: 65 12.1.3 Markkeys:::::::::::::::::::::::::::::::::::::::::::::::: 65 12.1.4 Movement Keys ::::::::::::::::::::::::::::::::::::::::: 66 12.1.5 Marking ::::::::::::::::::::::::::::::::::::::::::::::::: 66 12.1.6 Repeat Count ::::::::::::::::::::::::::::::::::::::::::: 67 12.1.7 Searching:::::::::::::::::::::::::::::::::::::::::::::::: 67 12.1.8 Specials ::::::::::::::::::::::::::::::::::::::::::::::::: 67 12.2 Paste :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 68 12.3 Registers ::::::::::::::::::::::::::::::::::::::::::::::::::::: 69 12.4 Screen Exchange ::::::::::::::::::::::::::::::::::::::::::::: 69 12.5 History::::::::::::::::::::::::::::::::::::::::::::::::::::::: 70 13 Subprocess Execution :::::::::::::::::::::::: 71 13.1 Exec ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 71 13.2 Using Exec ::::::::::::::::::::::::::::::::::::::::::::::::::: 71 14 Key Binding::::::::::::::::::::::::::::::::::: 73 14.1 The bind command :::::::::::::::::::::::::::::::::::::::::: 73 14.2 Examples of the bind command :::::::::::::::::::::::::::::: 73 14.3 Command Character ::::::::::::::::::::::::::::::::::::::::: 74 14.4 Help ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: 74 14.5 Bindkey :::::::::::::::::::::::::::::::::::::::::::::::::::::: 75 14.6 Bindkey Examples:::::::::::::::::::::::::::::::::::::::::::: 75 14.7 Bindkey Control:::::::::::::::::::::::::::::::::::::::::::::: 75 15 Flow Control :::::::::::::::::::::::::::::::::: 77 15.1 About screen flow control settings ::::::::::::::::::::::::::: 77 15.2 Flow :::::::::::::::::::::::::::::::::::::::::::::::::::::::::