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.Docs/Command Guide.md
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# A2osX Command Guide
### Updated October 20, 2019
This Guide provides information on all the A2osX commands and utilities. This Guide helps you not only learn the purpose of each command but also what options a command supports and what arguments it either supports or requires.
A2osX comes with a nice variety of system, file, network and data utilities -- what we refer to as external commands. This just means that each of the following commands or utilities is built as a separate BIN or executable file that runs under A2osX. The source for all of these external commands is readily available, so you can make your own or modify these as your needs dictate.
@ -92,9 +94,9 @@ This system command loads one or more libraries providing network services to A2
| Command | Options |
| ----- | --- |
| TELNETD | -d [port] : Specify optional port |
| TELNETD | [port] : Specify optional port |
TELNETD is a server process that listens for incoming requests to connect to your A2osX system. By default it listens on Port 23. You can change the Telnet Server port by starting the TELNETD process with the --d option and specifying an alternate port. Typically this would be used to get around local firewall or port restrictions such as when you are running your server at home on a DSL or Cable connection and your provider blocks port 23. In addition, if you are running in an environment with only one public IP address and you have another system at that site already running a Telnet server, you can use this option to move your A2osX host to alternate port.
TELNETD is a server process that listens for incoming requests to connect to your A2osX system. By default it listens on Port 23. You can change the Telnet Server port by starting the TELNETD process and specifying an alternate port. Typically this would be used to get around local firewall or port restrictions such as when you are running your server at home on a DSL or Cable connection and your provider blocks port 23. In addition, if you are running in an environment with only one public IP address and you have another system at that site already running a Telnet server, you can use this option to move your A2osX host to alternate port.
When TELNETD detects an incoming request it starts a GETTY process and creates a virtual internet terminal for the user and begins the LOGIN process same as the system would for a hardwired terminal. Note TELNETD requires that you have a supported Ethernet card and have configured your system for a network appropriately.
@ -210,7 +212,7 @@ CSH is one of the interactive and script processing shells under development for
| Command | Options |
| --- | --- |
| CUT \<opt\> "line" or <br> CMD \| CUT \<opt\> | -H : This help screen <br> -F nn : Output field nn <br> -M nn : Output starting at nn <br> -N nn : Output Ending at nn <br> -S ch : Change default SPACE separator to 'ch' |
| CUT \<opt\> "line" or <br> CMD \| CUT \<opt\> | -F nn : Output field nn <br> -M nn : Output starting at nn <br> -N nn : Output Ending at nn <br> -S ch : Change default SPACE separator to 'ch' |
The CUT command is used to extract a sub-part or portion of a string. Use this command to simply extract sub-strings much like Basic's MID, LEFT, or RIGHT might be used. It can also be used within the powerful FOR NEXT construct to process fields of columns from files or the output of processes.
@ -266,7 +268,7 @@ The FORMAT command will erase an existing volume and update its name to the VOLU
| Command | Options |
| --- | --- |
| GREP \<opt\> PATTERN FILE <br> CMD \| GREP \<opt\> PATTERN | -H : This help screen <br> -I : Ignore Case <br> -N : Print line Number | 0.93 |
| GREP \<opt\> PATTERN FILE <br> CMD \| GREP \<opt\> PATTERN | -I : Ignore Case <br> -N : Print line Number | 0.93 |
The GREP command parses multiple lines of input (either from a file or from the redirected output of another command) and only outputs those lines that contain the PATTERN. In this way, you can think of the GREP command as a filter. You can use the -I option to force GREP to ignore case in the PATTERN and the INPUT lines (i.e. it capitalizes both the source and the PATTERN before doing the compare) though it still outputs the actual lines of content that match (their original capitalization is preserved).
@ -282,7 +284,7 @@ In this example, only those volumes that are attached to Slot 7 are listed.
| Command | Options |
| --- | --- |
| KILL \<signal\> PID | -0 : No Signal <br> -1 : SIGQUIT | 0.93 |
| KILL \<signal\> PID | -0 : No Signal <br> -1 : SIGQUIT <br> -2 : SIGKILL | 0.93 |
The KILL command kills or terminates a running process. This can be most useful when you have a running process that is stuck (perhaps you are debugging a program or script). Switch to another virtual terminal (by pressing Open Apple-1) and executing the PS command to list currently running processes. Then execute the KILL command on the errand process by its PID found in the displayed process list (i.e. KILL 27 to terminate process with a PIP of 27). Consult the A2osX User Guide for information on using and switching between virtual terminal sessions on your Apple.
@ -424,7 +426,7 @@ The USERADD command is used to add a new User ID and Password to the A2osX User
The USERDEL command is used to delete a User ID from the A2osX User Database. Optionally you can have USERDEL remove the users Home directory and any files contained therein. Please see the User Guide for more information on User Management.
###WC
### WC
| Command | Options |
| ----- | --- |
@ -432,19 +434,19 @@ The USERDEL command is used to delete a User ID from the A2osX User Database. O
The WC command is used to display the char, line and word counts of one or more files. If more then one file is processed then a total count of all files is also displayed.
###WHO
### WHO
| Command |
| ----- |
| WHO |
The WHO command displays a list of users currently logged into the A2osX system and the device used for the login.
The WHO command displays a list of users currently logged into the A2osX system and which device they are using to connect to the system.
## Network Tools
The Network Tools group of commands allow you to load or start networking services, option IP addresses, connect to other systems, or get the status of your network. Some of these commands are designed specifically as user programs such as Telnet to interactively connect to another computer such as a BBS. Others are intended to be used by system scripts for loading and initializing the network, though they can be run on the command line and therefore are explained here. These commands are found in **./BIN/** letting you know they are user commands.
###ARP
### ARP
| Command |
| ----- |

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# A2osX Media Guide
### Updated October 20, 2019
We have changed the media set for A2osX. New A2osX Users should download the most current version as shown in the table below. **A new Release Candidate (RC) edition has been made available (highlighted below), you should choose one of the media options from this set.** The Bleed media are the primary images used by the developers to hold the most current version of the A2osX binaries (and a copy of the source, although of course GitHub is the primary source repository) and may be unstable. You should not use this media unless directed by the A2osX development team.
## Editions
@ -7,7 +9,7 @@ We have changed the media set for A2osX. New A2osX Users should download the mo
| Edition | Description | Build No | Date |
| --- | --- | --- | --- |
| RELEASE | This is a locked down set of media that will change infrequently, only upon a major update. | | * |
| **RC** | **This is a RELEASE candidate, if available, for the next coming major release. There should be very few RC releases before one of them becomes the actual RELEASE media. RC releases should be relatively bug free and feature complete (to the scope planned for that release).** | **1650** | **Oct-18-2019** |
| **RC** | **This is a RELEASE candidate, if available, for the next coming major release. There should be very few RC releases before one of them becomes the actual RELEASE media. RC releases should be relatively bug free and feature complete (to the scope planned for that release).** | **1653** | **Oct-19-2019** |
| STABLE | Stable releases are significant updates over the last RELEASE but may not included in their own scope. STABLE releases will be made from BLEED builds that have no significant bugs, but may have documented issues that have not yet been resolved, especially in new features. | | * |
| BLEED| The media in this edition are very cutting edge, changing almost daily, particularly A2OSX.BUILD.po. This edition is targeted at core developers who are creating and maintaining A2osX. For most users, it is recommended that you use one of the other editions. | | * |

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# A2osX (0.92) Multi-Tasking OS for Apple II
### Updated October 20, 2019
## Latest News 2019-10-15
**The first A2osX Release Candidate is now available and can be found in our [Media directory](.Floppies)**.

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# A2osX (0.93) Multi-Tasking OS for Apple II
### Updated October 20, 2019
## Screenshots

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# A2osX (0.92) Multi-Tasking OS for Apple II
# A2osX (0.93) Multi-Tasking OS for Apple II
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.
### Updated October 20, 2019
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 | Working | AppleTalk Support for ProDOS | 0.92 |
| KM.NSC | Working | No-Slot-Clock/DS1216E | 0.92 |
| KM.RAMWORKS | Working | AE-Ramworks I,II,III | 0.92 |
| KM.VSDRIVE | Working | ADTPro Virtual Drive for SSC | 0.92 |
| 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 |
| ---- | ------ | ------- | ------|
| DHCPCLNT| Working | rewritten to use new Socket API | 0.92 |
| GETTY | Working | -E : Exit on remote close | 0.93 |
| HTTPD | In Progress | | 0.9 |
| INSDRV | Working | | 0.93 |
| KCONFIG | Working | Kernel Configuration Utility | 0.93 |
| LOGIN | In Progress | no auth using /etc/passwd yet | 0.93 |
| SHELL | Working | (See Internal Shell commands) | 0.93 |
| TCPIPD | Working | ARP,IP,ICMP,UDP & TCP ok | 0.92 |
| TELNETD | Working | | 0.92 |
| Name | Status | Comment | K.Ver |
| ---- | ------ | ------- | ------|
| GETTY | Working | -E : Exit on remote close | 0.93 |
| HTTPD | Future | Web Page Server Daemon | |
| INITD | In Progress | Run Level Manger | 0.93 |
| 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 <br> 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 | In Progress | 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 <br> -N : Number all output lines <br> -S : Suppress repeated empty output lines | 0.93 |
| CUT | Working | CUT \<opt\> "line" or CMD \| CUT \<opt\> <br> -F nn : Output field nn <br> -M nn : Output starting at nn <br> -N nn : Output Ending at nn <br> -S ch : Change default SPACE separator to 'ch' | 0.93 |
| CHGRP | Future | -C : Continue On Error <br> -R : Recurse subdirectories | |
| CHMOD | Future | -C : Continue On Error <br> -R : Recurse subdirectories | |
| CHOWN | Future | -C : Continue On Error <br> -R : Recurse subdirectories | |
| CHTYP | Working | -C : Continue On Error <br> -R : Recurse subdirectories | 0.93 |
| CP | Working | -C : Continue On Error <br> -Q : Quiet <br> -R : Recurse subdirectories <br> -Y : Dont't Prompt For Override | 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] <br> -B Blocks : Force number of blocks to format <br> -L : Low-Level Format *not currently supported <br> -1..9 : Catalog Size (block count) | 0.93 |
| GREP | Working | GREP \<opt\> PATTERN FILE or CMD \| GREP \<opt\> PATTERN <br> -I : Ignore Case <br> -N : Print line Number | 0.93 |
| HTTPGET | In Progress | HTTPGET <ip\|host> [port] <br> -U Url <br> -F UrlFile | 0.93 |
| IPCONFIG | Working | -D : Try to get IP address from DHCP <br> -E : Read ETC files <br> -S : Set/Reset TCPIP configuration (-E, then -D if required) | 0.93 |
| KILL | Working | KILL \<signal\> PID <br> -0 : No Signal <br> -1 : SIGQUIT <br> -2 : SIGKILL | 0.93 |
| LS | Working | -A : Print . & .. <br> -C : Single column listing <br> -F : Single column, includes full path <br> -L : long listing with size/date... <br> -R : Recurse subdirectories | 0.93 |
| LSDEV | Working | Dump 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\> <br> -N : Number all output lines <br> -P : Page mode, no scroll <br> -S : Process ESC codes | 0.93 |
| NETSTAT | Working | Display socket status | 0.93 |
| NSCUTIL | Working | NSCUTIL DD/MM/YY,hh:mm:ss <br> Tool for setting time in NSC/DL1216E | 0.93 |
| MV | Working | -C : Continue On Error <br> -Q : Quiet <br> -R : Recurse subdirectories <br> -Y : Dont't Prompt For Override | 0.93 |
| PING | Working | PING <ip\|host> <br> -1..9 : Ping Count | 0.93 |
| PS | Working | List Processes| 0.93 |
| RM | Working | RM \[File/Dir, *,? wildcards allowed\] <br> -C : Continue On Error <br> -Q : Quiet <br> -R : Recurse subdirectories | 0.93 |
| SH | Working | Shell Command Processor<br>(See Internal Shell commands) | 0.93 |
| TELNET | Working | TELNET <ip\|host> [port] | 0.93 |
| RPCDUMP | In Progress | Tool based on UDP socket API, renamed from RPCINFO <br> RPCDUMP <ip\|host> | 0.93 |
## Internal Shell commands:
@ -31,7 +83,7 @@ This is the functional specification for A2osX and its system modules, internal
| ---- | ------ | ------- |
| \<value\> | Working | $VAR \| string \| "string with SPACE" \| 123 \| -456 |
| \<expression\> | Working | \<value\> [\<op\> \<value\>] ... |
| \<op\> | Working <br> --- <br> Planned | \+ signed int32 add <br> \- signed int32 sub <br> --- <br> \* <br> div <br> mod |
| \<op\> | Working | \+ : signed int32 add <br> \- : signed int32 subtract <br> \* : signed int32 multiply<br> / : signed int32 divide <br> mod : signed int32 modulo |
| \<condition\> | Working |[ -D direxists ] <br> [ -E fileordirexists ] <br> [ -F fileexists ]<br> [ -N $VAR variable is not empty ] <br> [ -Z $VAR variable is empty ] <br> [ string1 = string2 ] <br> [ string1 != string2 ] <br> [ string1 .< string2 ] <br> [ string1 <= string2 ] <br> [ string1 .> string2 ] <br> [ string1 >= string2 ] <br> [ int32 -eq int32 ] <br> [ int32 -ne int32 ] <br> [ int32 -lt int32 ] <br> [ int32 -le int32 ] <br> [ int32 -gt int32 ] <br> [ int32 -ge int32 ] |
| BREAK | Working | Exit CASE of SWITCH |
| CASE | Working | CASE <expression> |
@ -43,7 +95,7 @@ This is the functional specification for A2osX and its system modules, internal
| END | Working | End of SWITCH Statement |
| EXIT | Working | exit script or shell |
| FI | Working | Terminator for IF block |
| FUNC | In Progress | FUNC fonction_name <br> \<body\> <br> END |
| FUNCTION | Working | FUNCTION function_name { <br> \<body\> <br> } |
| IF | Working | [ \<condition\> ] |
| LOOP | Working | Terminator for WHILE block |
| MD | Working | MD path or relative path <br> Create a directory |
@ -53,10 +105,9 @@ This is the functional specification for A2osX and its system modules, internal
| PUSHD | Working | Save actual working directory <br> PUSHD \<dir\> do also a CD to \<dir\> |
| PWD | Working | Print Working Directory |
| RD | Working | Delete an empty directory |
| READ | Working | -S : no echo (password) <br> -P : "prompt message" |
| READ | Working | -N c : Limit input to c characters <br> -P : "prompt message" <br> -S : no echo (password) |
| REN | Working | Rename a file, directory or volume |
| RETURN | In Progress | Exit function with return code |
| SET | Working | -X : toggle debug mode <br> -C : toggle Control-C break mode <br> -F : remove all defined functions |
| SET | Working | -C : toggle Control-C break mode <br> -X : toggle debug mode <br> -F : remove all defined functions |
| SHIFT | Working | Remove $1 from cmd line |
| SLEEP | Working | Wait \<count\> 10th sec |
| SWITCH | Working | SWITCH <expression> |
@ -84,8 +135,8 @@ note : '$VAR' does NOT expand Variable
| Token | Status | Comment |
| ---- | ------ | ------- |
| . | Working | use same env |
| & | Working | start proc |
| . | Working | use same environment to run new script |
| & | Working | start process |
| \| | Working | pipe |
| < | Working | StdIn redirection |
| > | Working | StdOut redirection |
@ -95,64 +146,6 @@ note : '$VAR' does NOT expand Variable
| 2>> | Working | StdErr redirection |
| 2> | Working | |
## DRV,Drivers:
| Name | Status | Comment | K.Ver |
| ---- | ------ | ------- | ----- |
| DHGR.DRV | Working | 560x192 Mono/16 colors Mixed-Mode support | 0.9.1 |
| LanCeGS.DRV | Working | | 0.92 |
| Mouse.DRV | Working | Apple Mouse Card,//c Mouse Port | 0.9.1 |
| PIC.DRV | In Progress | Apple "Parallel Interface Card" Driver, renamed from PPIC.DRV | 0.9 |
| SSC.DRV | Working | Apple "Super Serial Card" Driver | 0.92 |
| SSC.I.DRV | Working | Apple "Super Serial Card" Driver (IRQ enabled) | 0.92 |
| Uthernet.DRV | Working | | 0.92 |
| Uthernet2.DRV | Working | | 0.92 |
| Uther2.AI.DRV | In Progress | With ARP/IP Offloading | 0.92 |
## BIN,External Shell commands:
| Name | Status | Comment | K.Ver |
| ---- | ------ | ------- | ----- |
| CAT | Working | -A : Show All non printable caracters <br> -N : Number all output lines <br> -S : Suppress repeated empty output lines | 0.93 |
| CUT | Working | CUT \<opt\> "line" or CMD\|CUT \<opt\> <br> -H : This help screen <br> -F nn : Output field nn <br> -M nn : Output starting at nn <br> -N nn : Output Ending at nn <br> -S ch : Change default SPACE separator to 'ch' | 0.93 |
| CHGRP | In Progress | -C : Continue On Error <br> -R : Recurse subdirectories | - |
| CHMOD | In Progress | -C : Continue On Error <br> -R : Recurse subdirectories | - |
| CHOWN | In Progress | -C : Continue On Error <br> -R : Recurse subdirectories | - |
| CHTYP | Working | -C : Continue On Error <br> -R : Recurse subdirectories | 0.92 |
| CP | Working | -C : Continue On Error <br> -Q : Quiet <br> -R : Recurse subdirectories <br> -Y : Dont't Prompt For Override | 0.93 |
| EDIT | Working | still missing : find/replace | 0.93 |
| FORMAT | In Progress | FORMAT \<BLOCKDEV\> [VOLUME.NAME] <br> -L : Low-Level Format *not currently supported <br> -1..9 : Catalog Size (block count) | 0.92 |
| GREP | Working | GREP \<opt\> PATTERN FILE or CMD\|GREP \<opt\> PATTERN <br> -H : This help screen <br> -I : Ignore Case <br> -N : Print line Number | 0.93 |
| KILL | Working | KILL \<signal\> PID <br> -0 : No Signal <br> -1 : SIGQUIT | 0.93 |
| LS | Working | -A : Print . & .. <br> -C : Single column listing <br> -F : Single column, includes full path <br> -L : long listing with size/date... <br> -R : Recurse subdirectories | 0.93 |
| LSDEV | Working | Dump device Drivers | 0.93 |
| LSOF | Working | List Open Files | 0.93 |
| MD5 | Working | MD5 \[ -D : String \| file \] | 0.93 |
| MEM | Working | Old dump behavior is now MEMDUMP. New MEM command displays MEMSTAT (Main, Aux & Kernel Memory) | 0.93 |
| MKDIR | Working | Make Directory| 0.93 |
| MORE | Working | MORE \<File\> or CMD\|MORE \<opt\> <br> -H : This help screen <br> -N : Number all output lines <br> -P : Page mode, no scroll <br> -S : Process ESC codes | 0.93 |
| NSCUTIL | Working | NSCUTIL DD/MM/YY,hh:mm:ss <br> Tool for setting time in NSC/DL1216E | 0.92 |
| MV | Working | -C : Continue On Error <br> -Q : Quiet <br> -R : Recurse subdirectories <br> -Y : Dont't Prompt For Override | 0.93 |
| PS | Working | List Processes| 0.93 |
| RM | Working | RM \[File/Dir, *,? wildcards allowed\] <br> -C : Continue On Error <br> -Q : Quiet <br> -R : Recurse subdirectories | 0.93 |
## Network (TCPIP) tools:
| Name | Status | Comment | K.Ver |
| ---- | ------ | ------- | ----- |
| ARP | Working | dump ARP cache, setup a static ARP entry | 0.92 |
| DNSINFO | Working | dump DNS cache, setup a static DNS entry | 0.92 |
| HTTPGET | In Progress | HTTPGET <ip\|host> [port] <br> -U Url <br> -F UrlFile | 0.92 |
| IPCONFIG | Working | -D : Try to get IP address from DHCP <br> -E : Read ETC files <br> -S : Set/Reset TCPIP configuration (-E, then -D if required) | 0.92 |
| NETSTAT | Working | Display socket status | 0.92 |
| PING | Working | PING <ip\|host> <br> -1..9 : Ping Count | 0.92 |
| TELNET | Working | TELNET <ip\|host> [port] | 0.92 |
## DEV tools:
| Name | Status | Comment | K.Ver |
| ---- | ------ | ------- | ----- |
| ASM | In Progress | S-C MASM based multi CPU assembler | - |
| MEMDUMP | Working | Tool to track memory leak| 0.93 |
| RPCDUMP | In Progress | Tool based on UDP socket API, renamed from RPCINFO <br> RPCDUMP <ip\|host> | 0.92 |
## License
A2osX is licensed under the GNU General Pulic License.

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README.md
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# A2osX (0.93) Multi-Tasking OS for Apple II
### Updated October 20, 2019
## A2osX Release Candidate now available
See the **[news](#news)** section below for more information.
@ -22,6 +24,8 @@ Consult the **[documentation](#documentation)** section below to find other reso
## News...
**2019-10-19** - Updated RC images to Build 1653 which fixed bugs in CUT and includes a patched version of ProDOS 2.03 to correct year display for ThunderClocks.
**2019-10-18** - Updated A2osX Release Candidate based on Build No 1650 is now available and can be found in our **[Media directory](.Floppies)**. In addition, a new disk image **TDBOOT** has been created that is preconfigured to automatically load Uthernet2 driver, start network services and launch the TelnetD server process (hence name TD for TelnetD Boot).
**2019-10-15** - The first A2osX Release Candidate is now available and can be found in our **[Media directory](.Floppies)**.