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DECO(1)			    General Commands Manual		       DECO(1)

NAME
       deco - visual shell for UNIX

FORMAT
       deco [directory]

DESCRIPTION
       DECO,  or Demos Commander, is a visual interface	for the	UNIX operating
       system, developed by the	motives	of the widely known Norton Commander.

       Control characters are designated below as ^X, which means: CTRL+X. The
       "~" in file names means "home directory".

Functional Keys
       DECO is adjusted	to the type of terminal	by means of the	termcap	termi-
       nal description file. While in operation, DECO uses 10 functional  keys
       F1-F10. To determine the	keys,

       f0...f9
	      for F10, F1...F9 keys

       kl, kr, ku, kd
	      for left,	right, up, down	arrow keys respectively

       kh, kH, kP, kN
	      for home screen, screen end, page	up, page down, respectively

       kI     insert mode

       kD     delete character

       For  terminals  without an additional keyboard, it is possible to enter
       commands	by control characters or <Esc> X sequence.

       Here is the Commands Table:

	     Command Key		     Alternative
	     (PC key)	     VT-220	     input
	     -------------------------------------
	     F1		     -1-	     ESC 1
	     F2		     -2-	     ESC 2
	     F3		     -3-	     ESC 3
	     F4		     -4-	     ESC 4
	     F5		     -5-	     ESC 5
	     F6		     -6-	     ESC 6
	     F7		     -7-	     ESC 7
	     F8		     -8-	     ESC 8
	     F9		     -9-	     ESC 9
	     F10	     -0-	     ESC 0
	     arrow up	     up		     ESC u
	     arrow down	     down	     ESC d
	     arrow left	     left	     ESC l
	     arrow right     right	     ESC r
	     Home	     Home	     ESC h
	     End	     End	     ESC e
	     PgUp	     PrevPage	     ESC p
	     PgDn	     NextPage	     ESC n
	     Ins	     Ins	     ^T
	     Del	     Del	     ^G

       Note that for some devices (for example,	PC AT console) F1-F10 keys are
       used, while for others -	keys 1-9, 0 of the additional keyboard.

Command	Canceling and Exit from	Deco
       In  any	state of DECO, press F10 to reset and cancel the current menu.
       If DECO is in the usual mode (system command input), F10	calls  for  an
       exit from the DECO menu:

	     Do	you want to exit from DECO commander?
	     Yes No Shell

       Yes (exit), No (no exit), and Shell (run	csh) should be selected	by the
       arrow keys and the RETURN key (ENTER for	IBM PC). If Shell is selected,
       you have	to input the exit command in order to return to	DECO.

Getting	Help
       F1  provides  you  with a built-in help message.	Press F10 to return to
       DECO.

Deco Windows and Operation Modes
       Usually,	DECO shows two panels (right and left ones),  two  directories
       are  displayed there. One of these panels is the	current	one, where all
       the operations take place (the name of this panel is printed  in	 ital-
       ics).  The second panel is used to point	out the	place to copy, move or
       link files, as well as to present information about the current	direc-
       tory  (see the ^L command). The TAB command (Tab	or ^I key) serves as a
       fast way	to select another panel	as the current one, the	key ^U is used
       to swap panels on the screen.

       System  commands	are executed from DECO in the same manner, as from the
       usual interpreter sh or csh (see	below, Running	UNIX  Commands).  DECO
       calls  for the csh interpreter to execute commands. The single restric-
       tion is that SHELL is restarted each time, so variable values, aliases,
       jobs,  etc.  are	 not  memorized.  Initially, DECO is set to the	screen
       mode, where panels, status line (in the upper part of the screen, which
       includes	 the  names  of	machine, user, terminal	and current time), and
       hint line (in the lower part of the  screen)  are  displayed.  In  this
       mode,  all  DECO	 commands  are executed	(F1 - F10 and others). After a
       DECO command is over, DECO remains in the command input mode. No	panels
       and  prompts are	displayed in this mode (for faster operation). In this
       mode, only system commands are executed,	as well	as some	DECO commands,
       such  as	 ^B  (operation	 with History commands journal). Once an empty
       command (Return)	is entered, DECO returns to the	screen mode, and  pan-
       els  are	 displayed.  In	 some  cases, DECO can move to the screen mode
       without highlighting the	panels (for example, calling for History  from
       the  non-screen	mode).	During	operations  with different menus, DECO
       moves to	the menu mode. In this case, the commands listed in  the  menu
       are  executed,  arrows move the cursor along the	menu, F10 means	always
       "Cancel the MENU	mode".

Executing Unix Commands
       DECO is usually set to the screen mode  when  you  can  use  arrows  to
       travel across the directory and select files, as	well as	form a command
       line by entering	characters. You	can add	the names of the  current  and
       selected	 files	to  the	 end of	the command line by the	LineFeed or ^J
       commands. Using ^E and ^X commands, it is possible to  move  along  the
       History,	 i.e.  to  "recall" previously executed	commands. To erase the
       command line, use the ^Y	command.

       System commands executed	are memorized in the History. You can call for
       History	from the DECO main menu, as well as by the ^B command. In His-
       tory, arrows move the cursor along the commands,	the ^J command	serves
       to  insert the current file name	into the command line, Return -	to in-
       sert the	current	file name and execute the command.

       The EDIT	mode serves to correct the command line. This mode is  charac-
       terized	by  the	 fact  that a directory	name is	not italicized in DECO
       panels. The ^P command turns this mode on and off. In EDIT, arrows move
       the  cursor  along the command line and across History. Commands	Del or
       ^G delete characters under the cursor.

       Command ^V serves for quoting non-printable characters.	 Next  symbol,
       following this command, will be inserted	into command line.

File Types
       DECO  differs  regular, special files and directories.  Type of file is
       marked to the left of file name by character tag.  There	are  following
       file tags:

       space  regular file

       *      executable file

       /      directory

       &      inaccessible directory

       $      character	device

       #      block device

       =      FIFO file

       ~      symbolic link

       @      inaccessible symbolic link

       !      named socket

Handling Selected Files
       Selected	 files	are  used  to set filenames for	commands. Only regular
       files can be selected. To select	the files (and to  cancel  the	selec-
       tion), the following commands can be used:

       Ins or ^T
	      Toggle selection of current file

       +      Select group of files according to the pattern

       -      Unselect group of	files according	to the pattern

       If  there  are  no selected files, the current file is used in the com-
       mand.

Entering Menu
       F9 brings you to	the MENU mode. To execute the command, select the  de-
       sired command and press Return.

       The  menu's  structure  is given	below. Many commands can be called for
       without panel mode, the corresponding keys are given in the right  col-
       umn:

	     Left /
		  Brief
		  Long
		  Full
		  Status		  ^L
		  Align	extensions
		  Sort by name
		  Extension
		  Time
		  Size
		  Unsorted
		  Reverse
		  Sort by type
		  Re-read		  ^R
		  Pattern
	     Files /
		  Help			  F1
		  User menu		  F2
		  View			  F3
		  Edit			  F4
		  Copy			  F5
		  Link
		  Symlink
		  Rename/move		  F6
		  Make directory	  F7
		  Delete		  F8
		  Select group		  +
		  Unselect group	  -
		  Quit			  F10
	     Commands /
		  Run subshell
		  Compare directories
		  Find file		  ^K
		  History		  ^B
		  Home directory	  ^\
		  Root directory	  ^_
		  Redraw screen		  ^]
		  Menu file edit
		  Extensions file edit
	     Options /
		  Switch panels		  ^I
		  Swap panels		  ^U
		  Full screen		  ^F
		  Double width		  ^W
		  Command line mode	  ^P
		  Show hidden files
		  Viewer...
		  Editor...
		  Shell...
		  Save setup
	     Right /
		  Brief
		  Long
		  Full
		  Status		  ^L
		  Align	extensions
		  Sort by name
		  Extension
		  Time
		  Size
		  Unsorted
		  Reverse
		  Sort by type
		  Re-read		  ^R
		  Pattern

       Commands	from the menu are described in detail below.

Customizing Panels
       LEFT  and RIGHT sections	are used to alter states of the	left and right
       panels, respectively. The commands Brief, Long, Full set	different lev-
       els  of	detailization  of  information about files. The	command	Status
       turns the status	panel on and off, this panel is	situated in the	 oppo-
       site  panel.   Command  Align extensions	switches mode of flushing file
       name extensions to the right margin.

       The next	group of commands manages sorting of file names	inside window.
       Files  are  sorted  by type (directory, block device, etc.)  and	inside
       each type - by some  parameter  (name,  extension,  size,  modification
       time).	Commands  Sort by name,	 Extension,  Time, Size	choose mode of
       sorting by parameter.  Command Unsorted	turns  off  parameter  sorting
       mode.   Command	Sort by	type  turns off	sorting	by file	type.  Command
       Reverse sets reverse sorting mode.

       The command Re-read re-reads the	directory. The command Pattern sets  a
       pattern	of  "visible"  filenames.  The pattern is set according	to the
       usual UNIX rules	of handling filenames: ? means "any symbol",  *	 means
       "any  number  of	any symbols", [symbols]	- "any of these	symbols", ^ in
       the first position - "every file	not matching the pattern".  See	 `File
       Patterns'  for  more  detail.  For example, the pattern "^*.[bo]" means
       "not to show object and backup files".

Handling Files
       The FILES section is intended for operating  files.  Most  commands  of
       this  section  are  placed on the functional keyboard.  Copy, link, and
       move commands use another panel to show the place to copy, move or link
       files to	by default.

       Help - F1
	      Get help.

       User menu - F2
	      Enter user-defined menu.

       View - F3
	      View  the	contents of the	current	file. The built-in facility is
	      used by default. Using the command Options/Viewer, you  can  set
	      the  name	 of  an	 external utility, e.g., ``more''. The command
	      `Options/Save setup' saves the set-up.

       Edit - F4
	      Edit the current file. The built-in editor is used  by  default.
	      Using the	Options/Editor command,	you can	set the	name of	an ex-
	      ternal editor, e.g., ``vi'', and,	by means of  the  command  Op-
	      tions/Save, you can store	it for future recalling.

       Copy - F5
	      Copy the current or selected files.

       Rename/move - F6
	      Move the files or	the directory.

       Make directory -	F7
	      Create a new directory.

       Delete -	F8
	      Delete the files or the directory.

       Link   Make a reference to the file.

       Symlink
	      Make a symbolic reference	to the file.

       Select group - +
	      Select group of files.

       Unselect	group -	-
	      Unselect group of	files.

Other Commands
       The Commands section includes various commands:

       Run subshell
	      Temporary	 exit into system shell	(cshell). The exit command re-
	      turns you	to DECO.

       Compare directories
	      Compare the left and right directories. Files, which are differ-
	      ent, are selected.

       Find file
	      Place the	cursor onto the	file by	its name.

       History
	      Enter the	command	history	menu. Select the command and press Re-
	      turn or ^M to execute it.	Pressing LineFeed or ^J, you  can  in-
	      sert the command into the	command	line and re-edit it.

       Home directory
	      Return to	the home directory.

       Root directory
	      Return to	the root directory (/).

       Redraw screen
	      Redraw the screen.

       Menu file edit
	      Edit user	menu file.

       Extensions file edit
	      Edit extension file.

Adjusting Modes
       The Options section serves to set and save DECO operation modes:

       Switch panels
	      Move to the opposite panel.

       Swap panels
	      Swap panels on the screen

       Full screen
	      Adjust the panels' height	to the full-screen size

       Double width
	      Adjust the panels' width to the full-screen size

       Command line mode
	      Switch  the  command line	editing	mode on	and off. In this mode,
	      the arrows move only along the command line.

       Show hidden files
	      Hide files, whose	names begin with dot.

       Viewer Sets an external viewer utility to go through the	files

       Editor Sets a new external editor utility

       Shell  Choose one of system command interpreters, /bin/sh or /bin/csh.

       Save setup
	      Saves the	settings in the	file ~/.decoini. When DECO is  started
	      up,  the	files  ~/.decoini, or /usr/local/lib/deco/initfile, or
	      /usr/lib/deco/initfile are read.

Built-in Commands
       cd

       chdir  Go to home directory.

       cd dirname

       chdir dirname
	      Go to specified directory.

       set name	value

       setenv name value
	      Set value	of global variable.

       unset name

       unsetenv	name
	      Delete global variable.

       env

       printenv
	      Print list of global variables.

       pwd    Print current directory name.

       exit   Exit from	DECO.

Built-in Editor	Commands
       The following commands are available in the built-in editor:

       Arrows Move cursor through the file.

       Printable characters
	      Insert characters	into the text.

       Del    Delete the character under the cursor.

       BackSpace
	      Delete the character to the left of the cursor.

       ^Y     Delete the current line.

       ^K     Delete the text starting from the	cursor till the	end of line.

       Save - F2
	      Save the file.

       Raw - F3
	      Switch the displaying characters with codes greater than 127.

       Top - F5
	      Go to the	beginning of the file.

       Bottom -	F6
	      Go to the	end of the file.

       Search -	F7
	      Text/binary search.

       Home - F8
	      Go to the	beginning of the screen.

       Spaces -	F9
	      Switch on/off the	space and tabulation displaying	mode.	Spaces
	      are  designated  by  dim points, and tabulations - by dim	under-
	      lines.

       Quit - F10
	      Exit the editor.

User Menus
       DECO has	a possibility to create	menus defined by the user. The Command
       F2 reads	the file .menu,	which includes the description of the menu. If
       the  file  .menu	 is  not  found,  the  file   ~/.menu,	 or   /usr/lo-
       cal/lib/deco/menu,  or  /usr/lib/deco/menu  is being read. The menu de-
       scription file has the following	structure:

	     # Comments

	     <character>    <description of command>
		      <command>

	     <character>    <description of command>
		      <command>
	     . . .

       The character is	either a Roman letter, or a digit, or a	 name  of  the
       functional keys F1- F10.	If you press the key, a	command	of the menu is
       executed. The command may include macros	like %X	which are replaced  in
       the following way:

	     %f	    name of current file
	     %b	    name of current file without extension
	     %t	    list of selected files
	     %d	    name of current catalogue
	     %c	    full name of current catalogue
	     %h	    full name of home catalogue
	     %u	    name of user
	     %g	    name of group of users
	     %%	    symbol '%'

       Command can begin with the following control symbols:

       -      Remain in	the panel mode after execution.

       @      Don't append this	command	to command history.

       !      Interpret	 command  string  as file name and read	user menu from
	      this file.  Using	this feature you can implement submenus.

       Here is an example of the user menu file:

	     F1	    Main menu
		 !%h/.menu
	     F2	    Default menu
		 !/usr/lib/deco/menu
	     w	    Count lines	of source code
		 wc *.h	*.c
	     b	    Remove bak files
		 -@rm -f *.b *.b
	     d	    Show my processes
		 ps -fu	%u
	     s	    Synchronize	disks
		 -@sync

Executing Files
       If the command line is empty when Return	or ^M is pressed in the	 panel
       mode,  and the current file is the directory, DECO moves	to this	direc-
       tory. If	the current file is an executable one, it is executed. If  the
       current	file is	a usual	regular	one, then the command that corresponds
       its name	is executed.  The command is described in  the	file  ~/.deco.
       This  allows the	user to	fulfill	operations for each file, which	depend
       on the name of this file, e.g., to start	the C compiler for  the	 files
       named *.c, to start the make utility for	the file Makefile, etc.

       If  the file ~/.deco is not found, file /usr/local/lib/deco/profile, or
       /usr/lib/deco/profile is	being read.

       The file, in which operations are described by name, has	the  following
       structure:

	     # Comments

	     <pattern 1> <pattern 2>...<pattern	N>
		 <command>

	     <pattern 1> <pattern 2>...<pattern	N>
		 <command>
	     . . .

       The command can include macros (see User's menu).

       An example of the file ~/.deco:

	     .menu .deco .cshrc	.login *.c *.h
		   re %f
	     *.b
		   rm %f
	     Makefile makefile *.mk
		   make	-f %f
	     core
		   adb
	     *.o
		   nm %f | more
	     *.a
		   ar tv %f | more

File name patterns
       Patterns	of filenames can include the following metasymbols:

       *      Arbitrary	symbol sequence. It can	be empty.

       ?      Arbitrary	symbol.

       [abcx-y]
	      Arbitrary	symbol from the	selected set.

       [^abcx-y]
	      Arbitrary	symbol outside the set.

       ^      If  placed  at the beginning of pattern, this metasymbol negates
	      the meaning of pattern.

FILES
       ~/.decoini
       /usr/local/lib/deco/initfile
       /usr/lib/deco/initfile

	      Files of modes and initial settings.

       .menu
       ~/.menu
       /usr/local/lib/deco/menu
       /usr/lib/deco/menu

	      Menu description files.

       ~/.deco
       /usr/local/lib/deco/profile
       /usr/lib/deco/profile

	      Files for	describing of operations by name.

NOTES
       If the screen display is	distorted, you can restore it by  the  command
       ^].

REFERENCES
       csh (1),	termcap	(5)

								       DECO(1)

NAME | FORMAT | DESCRIPTION | Functional Keys | Command Canceling and Exit from Deco | Getting Help | Deco Windows and Operation Modes | Executing Unix Commands | File Types | Handling Selected Files | Entering Menu | Customizing Panels | Handling Files | Other Commands | Adjusting Modes | Built-in Commands | Built-in Editor Commands | User Menus | Executing Files | File name patterns | FILES | NOTES | REFERENCES

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