Processes Lab Post: 302778209

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Homework and Emergencies Homework & Coursework Questions Processes Lab Post 302778209 by bakunin on Sunday 10th of March 2013 05:17:17 AM

03-10-2013

Registered User

Your solutions are correct to the point that they are working. The following is just a bit of additional information you might find useful. I noticed, that you have no solution for question 2.7, probably an oversight?

RudiC is correct: "kill -9" means the OS actively terminates the process. "kill -15" on the other hand tells the process to shut down immediately. In your case this will not make that much difference, but if a process has open temporary files or logs to be written, or any other allocated resources, "kill -15" will allow it to neatly close all these before exiting while "kill -9" will leave all these open and hanging in limbo.

I don't know which shell you use, but most probably it is either bash or ksh. In both cases you can make use of the job control of this shell: issue "jobs" to see a list of jobs in the background and use "kill %<number>" instead of "kill <PID>" to address the process.

The "kill" command can take a list of PIDs to process. Instead of

Code:

kill -9 <PID1>
kill -9 <PID2>
kill -9 <PID3>
...

it is posssible to write

Code:

kill -9 <PID1> <PID2> <PID3> ...

I hope this helps.

bakunin

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LEARN ABOUT CENTOS

drop_text_search_template

DROP TEXT SEARCH 
TEMPLATE(7)				  PostgreSQL 9.2.7 Documentation			      DROP TEXT SEARCH TEMPLATE(7)

NAME

       DROP_TEXT_SEARCH_TEMPLATE - remove a text search template

SYNOPSIS

       DROP TEXT SEARCH TEMPLATE [ IF EXISTS ] name [ CASCADE | RESTRICT ]

DESCRIPTION

       DROP TEXT SEARCH TEMPLATE drops an existing text search template. You must be a superuser to use this command.

PARAMETERS

       IF EXISTS
	   Do not throw an error if the text search template does not exist. A notice is issued in this case.

       name
	   The name (optionally schema-qualified) of an existing text search template.

       CASCADE
	   Automatically drop objects that depend on the text search template.

       RESTRICT
	   Refuse to drop the text search template if any objects depend on it. This is the default.

EXAMPLES

       Remove the text search template thesaurus:

	   DROP TEXT SEARCH TEMPLATE thesaurus;

       This command will not succeed if there are any existing text search dictionaries that use the template. Add CASCADE to drop such
       dictionaries along with the template.

COMPATIBILITY

       There is no DROP TEXT SEARCH TEMPLATE statement in the SQL standard.

SEE ALSO

       ALTER TEXT SEARCH TEMPLATE (ALTER_TEXT_SEARCH_TEMPLATE(7)), CREATE TEXT SEARCH TEMPLATE (CREATE_TEXT_SEARCH_TEMPLATE(7))

PostgreSQL 9.2.7						    2014-02-17					      DROP TEXT SEARCH TEMPLATE(7)