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Full Discussion: IBM-AIX Technical Help
Operating Systems AIX IBM-AIX Technical Help Post 302218032 by bakunin on Thursday 24th of July 2008 06:41:56 AM
Old 07-24-2008
To be honest i am always having mixed feelings when i read a thread like this: threadstarter wants to get a better job - so far so ok with me - but seeks help to appear someone else than he really is.

Save for the fact that i have a moral problem with deceit, i have been two times been in a position where i had to work with people who where successful in what threadstarter is attempting. Both occasions are not part the memories i am particularly fond of. Having to explain to a supposed fellow senior SysAdmin how to add a line in vi is nothing you want to do if the task is "set up a new NIM server". You instantly know that you are completely on your own. Call me vindictive, i let the management know in no unclear terms about this colleagues competences.

Having said this, here is my advice to NycUnxer:

- don't try to look better in the interview than you really are. Even if you are successful and get away with it it will, more sooner than later, come out anyways. Do you really want to explain that to your colleagues? Do you want your new colleagues share your part of the load because you are not qualified to do it yourself? You are, what you are and if they don't like it - their bad.

There will be jobs where you will be accepted as a newcomer and this will be taken into consideration when handing out the tasks. You can gain experience there and an then move to a better job when you have the credentials to fill it.

- Unix is, for one part, things you can learn: commands, facilities, structures, ... Unix is, for an even greater part, experience: you have to have worked with the tools over a longer time to really appreciate them and understand their inner harmony to the full. Experience is something you cannot emulate - even less so than knowledge. Real-Life-problems are not simple tasks like in textbooks. RL-problems are complex, interdependent tasks where every decision affects a lot of - sometimes only remotely connected - other things. Being aware of these interdependencies is part of this experience. You don't get this out of any book, you have to be exposed to the jobs tasks to build it.

You have to have attempted to write a 2000-line-shellscript and you have to have failed miserably in the last part of it to appreciate things like encapsulation, variable declaration, strict typing, naming conventions, etc. In a textbook you might find all these things explained along with a 5-line-example. On this the procedure looks usually superficial and finical. You will now "know" something, but you will not "feel" it. Again, write some 100k+-scripts and you will get the feeling pretty fast. This is experience.

Bottom line: if you are looking for some test questions like

Q: how to increase a filesystem?
A: use the "chfs -a size=+ ..." command

then you are wrong already. Not, because the answer is wrong, but because the question is wrong.

I hope this helps.

bakunin
 

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QSTAT(1)						User Contributed Perl Documentation						  QSTAT(1)

NAME
qstat - display job/partition information in a familiar pbs format SYNOPSIS
qstat [-f] [-a|-i|-r] [-n [-1]] [-G|-M] [-u user_list] [-? | --help] [--man] [job_id...] qstat -Q [-f] qstat -q DESCRIPTION
The qstat command displays information about jobs. OPTIONS
-a Displays all jobs in a single-line format. See the STANDARD OUTPUT section for format details. -i Displays information about idle jobs. This includes jobs which are queued or held. -f Displays the full information for each selected job in a multi-line format. See the STANDARD OUTPUT section for format details. -G Display size information in gigabytes. -M Show size information, disk or memory in mega-words. A word is considered to be 8 bytes. -n Displays nodes allocated to a job in addition to the basic information. -1 In combination with -n, the -1 option puts all of the nodes on the same line as the job id. -r Displays information about running jobs. This includes jobs which are running or suspended. -u user_list Display job information for all jobs owned by the specified user(s). The format of user_list is: user_name[,user_name...]. -? | --help brief help message --man full documentation STANDARD OUTPUT
Displaying Job Status If the -a, -i, -f, -r, -u, -n, -G, and -M options are not specified, the brief single-line display format is used. The following items are displayed on a single line, in the specified order, separated by white space: the job id the job name the job owner the cpu time used the job state C - Job is completed after having run E - Job is exiting after having run. H - Job is held. Q - job is queued, eligible to run or routed. R - job is running. T - job is being moved to new location. W - job is waiting for its execution time (-a option) to be reached. S - job is suspended. the queue that the job is in If the -f option is specified, the multi-line display format is used. The output for each job consists of the header line: Job Id: job identifier followed by one line per job attribute of the form: attribute_name = value If any of the options -a, -i, -r, -u, -n, -G or -M are specified, the normal single-line display format is used. The following items are displayed on a single line, in the specified order, separated by white space: the job id the job owner the queue the job is in the job name the session id (if the job is running) the number of nodes requested by the job the number of cpus or tasks requested by the job the amount of memory requested by the job either the cpu time, if specified, or wall time requested by the job, (in hh:mm) the job state The amount of cpu time or wall time used by the job (in hh:mm) EXIT STATUS
On success, qstat will exit with a value of zero. On failure, qstat will exit with a value greater than zero. perl v5.14.2 2012-04-10 QSTAT(1)
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