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A2osX (0.93) Multi-Tasking OS for Apple II

Updated February 10, 2020

This is the functional specification for A2osX and its system modules, internal and external commands and shell language. Please refer to the other A2osX documentation such as the User Guide, Notes for Developers and Shell Programming Guide for more information on the use of these commands and modules.

SYS/KM* Supported Hardware At Kernel Level (ProDOS):

KM.Name	Status	Comment	K.Ver
KM.APPLETALK	Future	AppleTalk Support for ProDOS
KM.NSC	Working	No-Slot-Clock/DS1216E	0.93
KM.RAMWORKS	Working	AE-Ramworks I,II,III	0.93
KM.VSDRIVE	Working	ADTPro Virtual Drive for SSC	0.93

SBIN,Daemons/Commands:

Name	Status	Comment	K.Ver
GETTY	Working	-E : Exit on remote close	0.93
HTTPD	Partial	Web Page Server Daemon	0.94
INITD	Future	Run Level Manger	0.94
INSDRV	Working	Loads HW Drivers	0.93
KCONFIG	Working	Kernel Configuration Utility	0.93
LOGIN	Working	Authorization using /etc/passwd	0.93
NETWORKD	Working	TCP/IP Network Stack	0.93
TELNETD	Working	Telnet Server Daemon TELNETD xxxx to listen on alternate port xxxx	0.93

DRV,Drivers:

Name	Status	Comment	K.Ver
DHGR.DRV	Future	560x192 Mono/16 colors Mixed-Mode support	0.94
LanCeGS.DRV	Working	Ethernet Network Interface	0.93
Mouse.DRV	Future	Apple Mouse Card/Mouse Port
PIC.DRV	Future	Apple "Parallel Interface Card" Driver, renamed from PPIC.DRV
SSC.DRV	Working	Apple "Super Serial Card" Driver	0.93
SSC.I.DRV	Working	Apple "Super Serial Card" Driver (IRQ enabled)	0.93
Uthernet.DRV	Working	Ethernet Network Interface	0.93
Uthernet2.DRV	Working	Ethernet Network Interface	0.93
Uther2.AI.DRV	In Progress	Network Interface With ARP/IP Offloading	0.93

BIN,External Shell commands:

Name	Status	Comment	K.Ver
ARP	Working	dump ARP cache, setup a static ARP entry	0.93
ASM	In Progress	S-C MASM based multi-CPU assembler	0.94
CAT	Working	-A : Show All non printable caracters -N : Number all output lines -S : Suppress repeated empty output lines	0.93
CHGRP	Future	-C : Continue On Error -R : Recurse subdirectories
CHMOD	Future	-C : Continue On Error -R : Recurse subdirectories
CHOWN	Future	-C : Continue On Error -R : Recurse subdirectories
CHTYP	Working	-C : Continue On Error -R : Recurse subdirectories	0.93
CMP	Working	CMP File1 File2 [SKIP1 [SKIP2]] -A : Shows All differences -V : Verbose Mode	0.93
CP	Working	-C : Continue On Error -Q : Quiet -R : Recurse subdirectories -Y : Dont't Prompt For Override	0.93
CUT	Working	CUT <opt> "line" or CMD \| CUT <opt> -F nn : Output field nn -M nn : Output starting at nn -N nn : Output Ending at nn -S ch : Change default SPACE separator to 'ch'	0.93
DNSINFO	Working	dump DNS cache, setup a static DNS entry	0.93
EDIT	Working	still missing : find/replace	0.93
FORMAT	In Progress	FORMAT <BLOCKDEV> [VOLUME.NAME] -B Blocks : Force number of blocks to format -L : Low-Level Format *not currently supported -1..9 : Catalog Size (block count)	0.93
GREP	Working	GREP <opt> PATTERN FILE or CMD \| GREP <opt> PATTERN -I : Ignore Case -N : Print line Number	0.93
HTTPGET	Working	HTTPGET <ip\|host> [port] -U Url -F UrlFile	0.93
IPCONFIG	Working	-D : Try to get IP address from DHCP -E : Read ETC files -S : Set/Reset TCPIP configuration (-E, then -D if required)	0.93
KILL	Working	KILL <signal> PID -0 : No Signal -1 : SIGQUIT -2 : SIGKILL	0.93
LS	Working	-A : Print . & .. -C : Single column listing -F : Single column, includes full path -L : long listing with size/date... -R : Recurse subdirectories	0.93
LSDEV	Working	List device Drivers	0.93
LSOF	Working	List Open Files	0.93
MD5	Working	MD5 [ -D : String \| file ]	0.93
MEM	Working	Displays Main, Aux & Kernel Memory	0.93
MEMDUMP	Working	Tool to track memory leak	0.93
MKDIR	Working	Make Directory	0.93
MORE	Working	MORE <File> or CMD\|MORE <opt> -N : Number all output lines -P : Page mode, no scroll -S : Process ESC codes	0.93
MV	Working	-C : Continue On Error -Q : Quiet -R : Recurse subdirectories -Y : Dont't Prompt For Override	0.93
NETSTAT	Working	Display socket status	0.93
NSCUTIL	Working	NSCUTIL DD/MM/YY,hh:mm:ss Tool for setting time in NSC/DL1216E	0.93
PAK	Working	PAK Archive [File/Dir, *,? wildcards allowed] -A: Append to Archive -R: Recurse subdirectories	0.93
PING	Working	PING <ip\|host> -1..9 : Ping Count	0.93
PS	Working	List Processes	0.93
RM	Working	RM [File/Dir, *,? wildcards allowed] -C : Continue On Error -Q : Quiet -R : Recurse subdirectories	0.93
RPCDUMP	In Progress	Tool based on UDP socket API, renamed from RPCINFO RPCDUMP <ip\|host>	0.93
SH	Working	Shell Command Processor (See Internal Shell commands)	0.93
TELNET	Working	TELNET <ip\|host> [port]	0.93
TERM	Working	TERM <device>	0.93
UNPAK	Working	UNPAK archive	0.93
USERADD	Working	USERADD username -c Comment : GECOS comment -d HD : Home Directory -p PW : Password -s SH : Shell	0.93
USERDEL	Working	USERDEL username -r : Force removes files in home directory	0.93
WC	Working	WC File(s) (*,? wildcards allowed) -C: Continue on error -R: Recurse Subdirectories -M: Print CHAR counts -L: Print LINE counts -W: Print WORD counts	0.93
WHO	Working	List Users Online	0.93

Internal Shell commands:

Name	Status	Comment
<condition>	Working	[ -D direxists ] [ -E fileordirexists ] [ -F fileexists ] [ -I isaninteger ] [ -N $VAR variable is not empty ] [ -X functionexists ] [ -Z $VAR variable is empty ] [ string1 = string2 ] [ string1 != string2 ] [ string1 .< string2 ] [ string1 <= string2 ] [ string1 .> string2 ] [ string1 >= string2 ] [ int32 -eq int32 ] [ int32 -ne int32 ] [ int32 -lt int32 ] [ int32 -le int32 ] [ int32 -gt int32 ] [ int32 -ge int32 ]
<expression>	Working	<value> [<op> <value>] ...
<op>	Working	+ : signed int32 add - : signed int32 subtract * : signed int32 multiply / : signed int32 divide mod : signed int32 modulo
<value>	Working	$VAR \| string \| "string with SPACE" \| 123 \| -456
!	Working	![ <condition> ] : Negate condition
( )	Working	Parens used define list as FOR argument
{ }	Working	Braces used to define FUNCTION body
AND	Working	Add mandatory condition
BREAK	Working	Exit CASE of SWITCH
CALL	Working	CALL function <arg> ...
CASE	Working	CASE
CD	Working	CD path or relative path
DATE	Working	%a : Abbreviated weekday name : Thu %A : Full weekday name : Thursday %b : Abbreviated month name : Aug %B : Full month name : August %d : Day of the month, zero-padded (01-31) %H : Hour in 24h format (00-23) 14 %I : Hour in 12h format (01-12) 02 %m : Month as a decimal number (01-12) 08 %M : Minute (00-59) 55 %p : AM or PM designation PM %S : Second (00-61) 02 %w : Weekday as a decimal number with Sunday as 0 (0-6) %y : Year, last two digits (00-99) %Y : Year four digits 2001
DEFAULT	Working	Default CASE for SWITCH
ECHO	Working	\b,\e,\f,\n,\\ and \% supported -N : Suppress \r\n
ELSE	Working	Optional branch for IF block
END	Working	End of SWITCH Statement
EXIT	Working	exit script or shell
FI	Working	Terminator for IF block
FUNCTION	Working	FUNCTION function_name { <body> }
IF	Working	[ <condition> ]
LOOP	Working	Terminator for WHILE block
MD	Working	MD path or relative path Create a directory
NOHUP	Working	Start a process with PPID=PS0 (Daemon)
OR	Working	Add optional condition
PAUSE	Working	Wait until CR
POPD	Working	Restore previously saved working directory
PUSHD	Working	Save actual working directory PUSHD <dir> do also a CD to <dir>
PWD	Working	Print Working Directory
RD	Working	Delete an empty directory
READ	Working	-N c : Limit input to c characters -P : "prompt message" -S : no echo (password)
REN	Working	Rename a file, directory or volume
SET	Working	-C : toggle Control-C break mode -X : toggle debug mode -F : remove all defined functions
SHIFT	Working	Remove $1 from cmd line
SLEEP	Working	Wait <count> 10th sec
SWITCH	Working	SWITCH
WHILE	Working	[ <condition> ]

Shell variables:

Name	Status	Comment
$0	Working	Command Full Path
$1-$9	Working	Arg[n]
$*	Working	All Args
$#	Working	Arg Count
$?	Working	Return Code
$@	Working	Parent PID
	Working	PID
$!	Working	Child PID
$UID	Working	PS Owner UID
$PWD	Working	Working Directory

note : '$VAR' does NOT expand Variable

Shell I/O control/redirection:

Token	Status	Comment
.	Working	use same environment to run new script
&	Working	start process
\|	Working	pipe
<	Working	StdIn redirection
>	Working	StdOut redirection
>>	Working	Append StdOut
1>>	Working
1>	Working
2>>	Working	StdErr redirection
2>	Working

License

A2osX is licensed under the GNU General Public License.

This program is free software; you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

The full A2osX license can be found Here.

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