UNIX

The ap.core file is created automatically in the directory, /usr/tmp, when either a machine abort occurs (for example, b

The ap.log file logs all errors and major events occurring on a D3 monitor virtual machine.

The apcrash command runs under UNIX to examine D3 core dumps.

The ba command adds a breakpoint.

The bd command deletes the breakpoint.

The bl command lists the monitor breakpoints.

The bo command is the breakpoint offset. This command defines both the FID and the displacement, which are used in compu

When boot errors occur, the message and error code below displays:

When a window of data displays, it is followed by an equal sign. Pressing CTRL+N displays the next window (if available)

In command mode, keystrokes perform functions such as moving the cursor, searching for patterns, or quitting from the do

The d command dumps the D3 core memory to the UNIX file /usr/tmp/ap.core. The result of the dump can be examined with th

The d? command displays or changes the default dump string.

The d3 command starts the D3 virtual machine or a D3 user process.

Lists D3 commands and functionalities for a UNIX environment, assuming knowledge of UNIX operating systems and the D3 da

The D3 monitor provides a system call to inform the D3 Virtual Environment of an incoming signal. This c function is cal

The debugger prompts for a command with a one character code followed by an exclamation point.

The d3tcl command allows execution of the D3 TCL commands directly from a UNIX shell.

Support for connections from the D3 Workstation is enabled by using the d3WSListener command

The e command toggles the debugger on or off. When off, prevents entry to the debugger by pressing BREAK. On line 0, the

The debugger can be entered:

The env command displays the UNIX environment variables.

The f command flushes memory. All frames modified in memory are written back to disk. If a disk error occurs, a minus si

The g command process resumes execution without any argument.

The gl command displays or removes group locks.

The h command displays internal information about the specified FID if it is in memory, message <NIM> displays, or FID i

When halt errors occur, the message and error code below display:

The hot backup system utilizes two machines to maintain continuous database availability. In the event of a failure, ope

In insert mode, the keyboard behaves like a typewriter. Keystrokes display as screen text after typing any of these comm

The k command terminates the process associated with the PIB pib or the flusher, if used with the F key, by sending a SI

The l command displays, in hexadecimal, the link fields of the frame FID.

The lppick command filters between the output of a D3 printer and the UNIX spooler to implement shared printers. This co

The m command displays or changes the real memory and the specified window at the real address.

Use this tool to recover from system failures or when the virtual debugger cannot access the system resources.

The p command displays and changes the PIB. This command also displays the window bytes in the PIB specified by the PIB

The perrpt command displays, clears, restarts or suppresses the D3 error log maintained on UNIX. The system automaticall

The pick0 file defines the parameters required for each D3 virtual machine on the system.

A process started with the -D option has some special privileges, which might lead to data destruction if used indiscrim

The q command quits the monitor debugger.

The r command displays data through the register.

Data can be referenced from the monitor debugger either in the virtual space or in the real memory space.

The s command displays or changes the semaphore status.

The S command scans the buffer table bits and displays and/or clears them depending on the certain criteria.

This table lists the signals currently used by D3.

D3 uses only UNIX System V.3 signals, which are common to more recent UNIX versions. Those systems that are not UNIX Sys

On most conventional D3 implementations, synchronizing two D3 processes is done either through polling for the existence

The t command sets and removes the monitor trace. A minus sign displays, acknowledging the removal.

The following UNIX commands are available.

The following UNIX files are presented.

This topic examines UNIX signals in relationship to the D3 virtual machine.

Reference for troubleshooting deadlocks, and their identification using debugger.

The v command enters the Virtual Debugger with a specified code. If a code is not specified, enter the debugger as if pr

This information is not Rocket’s D3 documentation. It is reprinted from UNIX vi Quick Reference as reference material on

The x command displays hardware registers on the first line of the program counter, followed by a variable number of 32

The !shell command submits a shell command.

The ? command displays help information. The UNIX file /usr/lib/pick/sdb.help displays using the pg command.

The .profile command is a UNIX script executed when a UNIX user logs on.