... fork() . ... A process is basically a single running program. ... System is prototyped in <stdlib.h> . ... Each command and sorresponding arguments are put in a args array */ /* execvp is called to execute these commands in child process */ /* spawned by fork () */ /* cc -o fork fork .c */ #include stdio.h #include sys/types.h #include unistd.h main() { char buf [1024]; char * args [64]; for (;;) { /* * Prompt for and read a command. */ printf( Command: ); if (gets( ...

STSCI Python Introduction Class 5 Jim Hare Today's Agenda · · · · · · stpydb Module ­ database interface module os Module ­ commonly used methods os. path Module ­ Manipulates pathnames shutil Module - High-level file operations Demonstration of Pmw Widgets Simple helloworld Tkinter program 1 Database Functions · dbtools.py ­ use with sql flat files. · stpydb .py ­ use to program queries and get results in variables to use in the ...

When you enter a command at the shell prompt, your shell forks a child process in which to execute the command. The parent process (your shell) waits for the command to complete and for its child process to die. Until then you are unable to enter another command. Commands entered in this way are known as foreground processes . Once the command completes and the child process dies, the parent process is reactivated, the shellprompt returns, and you can enter another command. ...

... Classes . ... casa::HostInfo . ... Miscellaneous information about this host and process. ... Returns 0 if unable to determine the number of CPUs. static ssize_t . ... Get memory info (in KBytes). static ssize_t . ... static ssize_t casa::HostInfo::memoryFree . ... static ssize_t casa::HostInfo::memoryTotal . ... Returns -1 if unable to determine memory info. static ssize_t casa::HostInfo::memoryUsed . ... Returns -1 if unable to determine swap info. static ssize_t casa::HostInfo::swapUsed . ...

There are various kinds of generic information you can retrieve about an XPA access point by using the xpaget command. ... Each XPA access point supports a number of reserved sub-commands that provide access to different kinds of information, e.g. the access control for that access point. ... acl get (set) the access control list [options: host type acl, for set] . ... This access point is available only on the server machine. -env get (set) an environment variable [options: name (value, for set)] . ...

... Apache HTTP Server Version 2.2 . ... Execution of CGI scripts . ... Source File: . mod_cgi.c . Any file that has the handler cgi-script will be treated as a CGI script, and run by the server, with its output being returned to the client. ... The default behavior, if AcceptPathInfo is not given, is that mod_cgi will accept path info (trailing /more/path/info following the script filename in the URI), while the core server will return a 404 NOT FOUND error for requests with additional path info. ...

Modules | ... Apache HTTP Server Version 2.2 . ... User authentication using an SQL database . ... Please note that you need to load an authorization module , such as mod_authz_ user , to get it working. # mod_dbd configuration DBDriver pgsql DBDParams dbname=apacheauth user = apache password =xxxxxx DBDMin 4 DBDKeep 8 DBDMax 20 DBDExptime 300 Directory /usr/www/myhost/private # core authentication and mod_auth_basic configuration # for mod_authn_dbd AuthType Basic AuthName My ...

... Some commands are not yet documented. bin . ... expose . ... number . ... If basename is not specified, the filenames are determined by the ICC's path , name , places , and number If neither red nor blue is specified, both images will be saved. ... Returns: basename , name , number path , places . ... For example, with path= /export/images/DD01 , name= bias. , places= 3 , and number= 11 , the blue image file would be /export/images/DD01/bias.011b.fits . ... name , number , places , path , basename ,...

... aosock_Cmd Converting rpc routines on vxWorks to use daemons : . ... pnt_Cmd: interfaces to the telescope pointing, tiedowns,turret. aosock_Cmd: lets you do regular socket i/o from a tcl script. ... If TCL_ERROR is returned then then command will be aborted (or any function it is called from). ... Errors will usually return with an error message included in the return value. aosock (cl)ose $sockFd . ... TCL_OK with n telling of the bytes returned: . n >0 bytes return. ... sockFd is socket number . ...

In Actor Prolog a resident is a special mechanism that helps processes to inspect state of other processes. A resident observes the state of a specified (target) process and if the state of the process changes (for instance, after message handling) it proves a specified predicate of the process. ... Work of the resident. ... Any change of the list of target processes or arguments of resident function results in activation of the resident and repeated collection of information in the target worlds. ...

... FIELD | ... public class Menus . ... ImageJ . ... static char . ... static int . ... Returns the size (in points) used for the fonts in ImageJ menus. static java.lang.String . ... Returns a list of the plugins in the plugins menu. static java.lang.String . ... Field D