2005-08-22 14:56:02 +02:00
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.so mnx.mac
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2007-03-05 17:36:40 +01:00
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.TH MINED 1x
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2005-05-02 15:01:42 +02:00
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.CD "mined \(en \*(M2 editor"
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.SX "mined\fR [\fIfile\fR]
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.FL "\fR(none)"
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.EX "mined /user/ast/book.3" "Edit an existing file"
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.EX "mined" "Call editor to create a new file"
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.EX "ls \(enl | mined" "Use \fImined\fR as a pager to inspect listing"
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.PP
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\fIMined\fR is a simple screen editor.
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At any instant, a window of 24 lines is visible on the screen.
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The current position in the file is shown by the cursor.
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Ordinary characters typed in are inserted at the cursor.
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Control characters and keys on the numeric keypad (at the right-hand side
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of the keyboard) are used to move the cursor and perform other functions.
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.PP
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Commands exist to move forward and backward a word, and delete words
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either in front of the cursor or behind it.
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A word in this context is a sequence of characters delimited on both ends by
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white space (space, tab, line feed, start of file, or end of file).
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The commands for deleting characters and words also work on line feeds, making
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it possible to join two consecutive lines by deleting the line feed between them.
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.PP
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The editor maintains one save buffer (not displayed).
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Commands are present to move text from the file to the buffer, from the buffer
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to the file, and to write the buffer onto a new file.
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If the edited text cannot be written out due to a full disk, it may still
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be possible to copy the whole text to the save buffer and then write it to a
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different file on a different disk with CTRL-Q.
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It may also be possible to escape from the editor with CTRL-S and remove
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some files.
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.PP
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Some of the commands prompt for arguments (file names, search patterns, etc.).
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All commands that might result in loss of the file being edited prompt to ask
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for confirmation.
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.PP
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A key (command or ordinary character) can be repeated
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.I n
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times by typing
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.I "ESC n key"
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where
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.I ESC
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is the \*(OQescape\*(CQ key.
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.PP
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Forward and backward searching requires a regular expression as the search
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pattern.
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Regular expressions follow the same rules as in the
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.Ux
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editor,
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.I ed .
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These rules can be stated as:
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.LI
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.IT
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Any displayable character matches itself.
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.IT
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\&. (period) matches any character except line feed.
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.IT
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\&^ (circumflex) matches the start of the line.
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.IT
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\&$ (dollar sign) matches the end of the line.
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.IT
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\&\\c matches the character \fIc\fR (including period, circumflex, etc).
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.IT
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[\fIstring\fR] matches any of the characters in the string.
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.IT
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[^string] matches any of the characters except those in the string.
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.IT
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[\fIx\(eny\fR] matches any characters between \fIx\fR and \fIy\fR (e.g., [\fIa\(enz\fR]).
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.IT
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Pattern\(** matches any number of occurrences of \fIpattern\fR.
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.LX
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Some examples of regular expressions are:
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.HS
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.in +1.25i
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.ta +1.0i
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.ti -1.0i
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The boy matches the string \*(OQThe boy\*(CQ
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.ti -1.0i
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^$ matches any empty line.
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.ti -1.0i
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^.$ matches any line containing exactly 1 character
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.ti -1.0i
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^A.*\\.$ matches any line starting with an \fIA\fR, ending with a period.
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.ti -1.0i
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^[A\(enZ]*$ matches any line containing only capital letters (or empty).
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.ti -1.0i
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[A\(enZ0\(en9] matches any line containing either a capital letter or a digit.
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.ti -1.0i
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\&.*X$ matches any line ending in \*(OQX\*(CQ
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.ti -1.0i
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A.*B matches any line containing an \*(OQA\*(CQ and then a \*(OQB\*(CQ
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.in -1.25i
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.sp
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.PP
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Control characters cannot be entered into a file simply by typing them because
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all of them are editor commands.
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To enter a control character, depress the ALT key, and then while holding it
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down, hit the ESC key.
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Release both ALT and ESC and type the control character.
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Control characters are displayed in reverse video.
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.PP
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The
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.I mined
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commands are as follows.
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.sp
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.in +1.25i
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.ta +1.0i
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.ti -1.25i
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\fBCURSOR MOTION\fR
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.ti -1.0i
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\fBarrows\fR Move the cursor in the indicated direction
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.ti -1.0i
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\fBCTRL-A\fR Move cursor to start of current line
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.ti -1.0i
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\fBCTRL-Z\fR Move cursor to end of current line
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.ti -1.0i
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\fBCTRL-^\fR Move cursor to top of screen
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.ti -1.0i
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\fBCTRL-_\fR Move cursor to end of screen
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.ti -1.0i
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\fBCTRL-F\fR Move cursor forward to start of next word
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.ti -1.0i
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\fBCTRL-B\fR Move cursor backward to start of previous word
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.ti -1.25i
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\fBSCREEN MOTION\fR
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.ti -1.0i
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\fBHome key\fR Move to first character of the file
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.ti -1.0i
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\fBEnd key\fR Move to last character of the file
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.ti -1.0i
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\fBPgUp key\fR Scroll window up 23 lines (closer to start of the file)
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.ti -1.0i
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\fBPgDn key\fR Scroll window down 23 lines (closer to end of the file)
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.ti -1.0i
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\fBCTRL-U\fR Scroll window up 1 line
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.ti -1.0i
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\fBCTRL-D\fR Scroll window down 1 line
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.ti -1.25i
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\fBMODIFYING TEXT\fR
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.ti -1.0i
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\fBDel key\fR Delete the character under the cursor
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.ti -1.0i
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\fBBackspace\fR Delete the character to left of the cursor
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.ti -1.0i
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\fBCTRL-N\fR Delete the next word
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.ti -1.0i
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\fBCTRL-P\fR Delete the previous word
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.ti -1.0i
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\fBCTRL-T\fR Delete tail of line (all characters from cursor to end of line)
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.ti -1.0i
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\fBCTRL-O\fR Open up the line (insert line feed and back up)
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.ti -1.0i
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\fBCTRL-G\fR Get and insert a file at the cursor position
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.ti -1.25i
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\fBBUFFER OPERATIONS\fR
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.ti -1.0i
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\fBCTRL-@\fR Set mark at current position for use with CTRL-C and CTRL-K
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.ti -1.0i
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\fBCTRL-C\fR Copy the text between the mark and the cursor into the buffer
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.ti -1.0i
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\fBCTRL-K\fR Delete text between mark and cursor; also copy it to the buffer
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.ti -1.0i
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\fBCTRL-Y\fR Yank contents of the buffer out and insert it at the cursor
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.ti -1.0i
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\fBCTRL-Q\fR Write the contents of the buffer onto a file
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.ti -1.25i
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\fBMISCELLANEOUS\fR
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.ti -1.0i
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\fBnumeric +\fR Search forward (prompts for regular expression)
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.ti -1.0i
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\fBnumeric \(mi\fR Search backward (prompts for regular expression)
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.ti -1.0i
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\fBnumeric 5\fR Display the file status
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.ti -1.0i
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\fBCTRL-]\fR Go to specific line
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.ti -1.0i
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\fBCTRL-R\fR Global replace \fIpattern\fR with \fIstring\fR (from cursor to end)
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.ti -1.0i
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\fBCTRL-L\fR Line replace \fIpattern\fR with \fIstring\fR
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.ti -1.0i
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\fBCTRL-W\fR Write the edited file back to the disk
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.ti -1.0i
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\fBCTRL-X\fR Exit the editor
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.ti -1.0i
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\fBCTRL-S\fR Fork off a shell (use CTRL-D to get back to the editor)
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.ti -1.0i
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\fBCTRL-\\\fR Abort whatever the editor was doing and wait for command
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.ti -1.0i
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\fBCTRL-E\fR Erase screen and redraw it
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.ti -1.0i
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\fBCTRL-V\fR Visit (edit) a new file
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.in -1.25i
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.SS "Author"
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.PP
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\fIMined\fR was designed by Andy Tanenbaum and written by Michiel Huisjes.
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