CORE(5) - File Formats Manual # CORE(5) - File Formats Manual NAME # core - memory image file format SYNOPSIS # #include <sys/types.h> #include <sys/exec_elf.h> DESCRIPTION # A small number of signals which cause abnormal termination of a process also cause a record of the process’s in-core state to be written to disk for later examination by one of the available debuggers (see sigaction(2)). By default, this memory image is written to a file named programname. ...
CPU(4) - Device Drivers Manual (amd64) # CPU(4) - Device Drivers Manual (amd64) NAME # cpu - Central Processing Unit SYNOPSIS # cpu0 at mainbus? cpu* at mainbus? DESCRIPTION # Several processor models have additional features that extend their base functionality, such as power and frequency control or thermal monitoring. FREQUENCY CONTROL # The sysctl(2) hw.cpuspeed returns the current operating frequency of the processor, though on some processors this value may be only an approximation. ...
CPU(4) - Device Drivers Manual (i386) # CPU(4) - Device Drivers Manual (i386) NAME # cpu - Central Processing Unit SYNOPSIS # cpu0 at mainbus? cpu* at mainbus? DESCRIPTION # Several processor models have additional features that extend their base functionality, such as power and frequency control or thermal monitoring. FREQUENCY CONTROL # The sysctl(2) hw.cpuspeed returns the current operating frequency of the processor, though on some processors this value may be only an approximation. ...
CU(1) - General Commands Manual # CU(1) - General Commands Manual NAME # cu - serial terminal emulator SYNOPSIS # cu [-dr] [-E escape_char] [-l line] [-s speed | -‌speed] cu [host] DESCRIPTION # cu is used to connect to another system over a serial link. In the era before modern networks, it was typically used to connect to a modem in order to dial in to a remote host. ...
DDB(4) - Device Drivers Manual # DDB(4) - Device Drivers Manual NAME # ddb - kernel debugger DESCRIPTION # The ddb debugger provides a means for debugging the kernel, and analysing the kernel after a system crash (“panic”), with a gdb(1)-like syntax. ddb is invoked upon a kernel panic when the sysctl(8) ddb.panic is set to 1. It may be invoked from the console when the sysctl ddb.console is set to 1, using any of the following methods: ...
DFS(4) - Device Drivers Manual (macppc) # DFS(4) - Device Drivers Manual (macppc) NAME # dfs - Dynamic Frequency Switching SYNOPSIS # dfs* at macgpio? DESCRIPTION # The dfs driver provides support for the Dynamic Frequency Switching feature found on some PowerPC microprocessors. It conserves power by lowering the processor operating frequency. Depending on the processor model, the processor-to-system bus ratio can be divided by two or four. HARDWARE # Processors supported by the dfs driver are part of the PowerPC G4 family and are found on various iBook and PowerBook machines: ...
ECADC(4) - Device Drivers Manual (sparc64) # ECADC(4) - Device Drivers Manual (sparc64) NAME # ecadc - environmental monitoring subsystem temperature sensor SYNOPSIS # ecadc* at iic? DESCRIPTION # The ecadc driver supports the PCF8591 I2C analog to digital converter that is part of the environmental monitoring subsystem found on the Sun Enterprise 250 and Sun Enterprise 450 systems. The temperature readings are made available through the sysctl(8) interface. ...
ENDRUN(4) - Device Drivers Manual # ENDRUN(4) - Device Drivers Manual NAME # endrun - EndRun Technologies native time-of-day message timedelta sensor SYNOPSIS # pseudo-device endrun [count] DESCRIPTION # This line discipline interfaces serial EndRun Technologies devices. The line discipline is enabled by the following sequence: #include <sys/ioctl.h> int ldisc = ENDRUNDISC, fildes; ... ioctl(fildes, TIOCSETD, &ldisc); The byte stream is unaltered by the line discipline which maintains a timedelta sensor using the EndRun data. ...
ENVIRON(4) - Device Drivers Manual (sparc64) # ENVIRON(4) - Device Drivers Manual (sparc64) NAME # environ - SPARC64 temperature sensor SYNOPSIS # environ* at fhc? DESCRIPTION # The environ driver provides support for the temperature sensor found on the boards of Sunfire, Starfire, and Wildfire UltraSPARC systems. The temperature readings are made available through the sysctl(8) interface. SEE ALSO # fhc(4), intro(4), sensorsd(8), sysctl(8) HISTORY # The environ driver first appeared in OpenBSD 4. ...
EOIP(4) - Device Drivers Manual # EOIP(4) - Device Drivers Manual NAME # eoip - MikroTik Ethernet over IP tunnel network device SYNOPSIS # pseudo-device gre DESCRIPTION # The eoip interface provides tunnelling of Ethernet frames across IPv4 and IPv6 networks using the MikroTik Ethernet over IP (EoIP) encapsulation protocol. The protocol is based on the Generic Routing and Encapsulation (GRE) protocol. GRE datagrams (IP protocol number 47) consist of a GRE header and an outer IP header for encapsulating another protocol’s datagram. ...