what s a file system

... - Cho HS nªu kÕt qu¶ so s nh + Cho HS quan s t tiÕp s h×nh ¶nh ë hai « díi So s nh vµ nªu kÕt qu¶ so s nh ? Tõ viƯc so s nh trªn em nµo h·y so s nh cho c« s vµ s ? ? ViÕt ntn? - Cho HS ®äc ... chØnh s a + Giíi thiƯu tranh minh ho¹ "be bÐ" - Cho HS më s ch vµ giao viƯc - HS quan s t tranh SGK ? Tranh vÏ g× ? - Tranh vÏ em bÐ ®ang ch¬i ®å ch¬i §å ch¬i c a c¸c em lµ s thu nhá c a thÕ ... học + lớp học s n bãi + mang dép có quai hậu giầy - s a trang phục 3- HS s a lại trang phục cho phút cho HS 4- Trò chơi: “ Diệt vật có hại” 10 phút x - GV đ a s tranh copn vật cho HS x x nhận biết...

Ngày tải lên: 19/10/2014, 17:00

... Quotas The UNIX system has traditionally attempted to share all available resources to the greatest extent possible Thus any single user can allocate all the available space in the file system ... File systems that are parameterized to maintain at least 10% free space rarely use this strategy File systems that are run without maintaining any free space typically have so few free blocks ... system by [Bass81] However, for the standard system applications, a mechanism that locks at the granularity of a file is sufficient Locking schemes fall into two classes, those using hard locks...

Ngày tải lên: 12/09/2012, 14:16

... results of a benchmark that creates, reads, and deletes a large number of small files Sprite LFS is almost ten times as fast as SunOS for the create and delete phases of the benchmark Sprite LFS is ... workloads that contain many small files, a log-structured file system converts the many small synchronous random writes of traditional file systems into large asynchronous sequential transfers that can ... as those including reads and large-file accesses, Sprite LFS is at least as fast as Unix in all cases but one (files read sequentially after being written randomly) We also measured the...

Ngày tải lên: 12/09/2012, 15:05

... a decision support system (DSS) And while that is true, it is perhaps also too facile As they note, their system does not offer DSS-type warnings about drug-drug interactions, allergies, or ... forthcoming In summary, Shulman et al [1] provide insights about the consequences of CPOE systems Their analysis offers an uncommon balance; addressing both the benefits and dangers of CPOEs, and highlighting ... drops to a statistically insignificant 17% when examining consequential errors As Bates and colleagues [2] write with intentional irony, “…it seems easiest to prevent those [errors] that rarely...

Ngày tải lên: 25/10/2012, 10:39

... Step 2: Adding a swap file To add swap space on a system, add a swap file by using the following steps: Create a file that is equal in size to the swap file that is going to be created Do ... command at the shell prompt: mkswap –f /root/swap.swp or type /sbin/mkswap –f /root/swap.swp To activate this swap file, use the swapon command To make this swap file inactive, use the swapoff ... creating this swap file on a partition that is already being used, the file can become fragmented as the partition gets used more and more What are some other methods that can be used to add a swap...

Ngày tải lên: 16/10/2013, 21:15

... —Evansville (Ind.) Courier & Press A man who works with his hands is a laborer; a man who works with his hands and his brain is a craftsman; but a man who works with his hands and his brain and ... English cataracte, from Latin cataracta, from Greek katarraktes (waterfall, portcullis, floodgate), from katarassein (to dash down) The ophthalmological sense derives from figurative portcullis, ... Hughes, or Yeats overhead It has also been a chance for me to start to learn a little about Dutch and Belgian poets such as T’Hooft, Lodezein, and Marsman A block or so from our house was a short piece...

Ngày tải lên: 25/10/2013, 16:20

... the case in typical NAS systems In addition, all data and metadata updates made to the cache are asynchronous This is essential to support WAN latencies and outages as high performance applications ... Panache Conclusions This paper introduced Panache, a scalable, highperformance, clustered file system cache that promises seamless access to massive and remote datasets Panache supports a POSIX ... disconnected operation By allowing asynchronous metadata updates, Panache allows data and metadata updates at local speeds and also masks remote cluster failures and network outages In Panache...

Ngày tải lên: 19/02/2014, 18:20

... previous file system states, by preserving the file system images from past consistency points These snapshots are space efficient; the only differences between a snapshot and the live file system are ... log-structured file system ACM Transactions on Computer Systems 10, (1992), 26–52 [20] S CHLOSSER , S W., S CHINDLER , J., PAPADOMANOLAKIS , S. , S HAO , M., A ILAMAKI , A. , FALOUTSOS , C., AND G ANGER ... systems, we must take into account the block sharing that emerges from features such as snapshots and clones, as well as from the deduplication of identical data blocks [7, 17] This block sharing...

Ngày tải lên: 19/02/2014, 18:20

... OBJECT,JOHN1) A ROLE(p,VALUE,10) SUBTYPE(MAMMALS,ANIMALS) S UBTYPE(2-LEGGED-ANIMALS,ANIMALS) SUBTYPE(PERSONS,MAMMALS) SUBTYPE(PERSONS,2-LEGGED-ANIMALS) SUBTYPE(DOGS,MAMMALS) TYPE(GEORGE1,PERSONS) This, ... individuals, we shall use italics for rolenames An important property of a natural language system is that it often has only partial information about the individuals (objects, events, and relations) ... PERSONS DOGS T GEORGE1 In addition, let us assume we know that all instances of 2-LEGGED-ANIMALS have two legs and that all instances of MAMMALS are warm-blooded: ] p TYPE(p,AGE-RELATIONS) A ROLE(p,...

Ngày tải lên: 21/02/2014, 20:20

... Fungus Fungus Plant Plant Bacteria Plant Plant Fungus Bacteria Bacteria Bacteria Plant Bacteria Animal Fungus Yeast Yeast Bacteria Bacteria Plant Bacteria Fungus Fungus All Bacteria Animal Animal ... reductase component (ThmD) [64] – Plant VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO VAO GMC GMC GMC Succinate dehydrogenase Succinate dehydrogenase DAAO DAAO DAAO DAAO ... Animal Bacteria Bacteria Bacteria Fungus Bacteria Animal Animal Fungus Bacteria Animal Bacteria Plant Bacteria Bacteria Plant allergens BG6 0a [55] and Phl P 4a [165] Tetrahydrofuran monooxygenase...

Ngày tải lên: 16/03/2014, 01:20

Ngày tải lên: 17/03/2014, 23:20

... the task As Table demonstrates, we use a small random selection of data consisting of 10 dialogues from each of the Shared Visual Information and No Shared Visual Information conditions Each of ... physical tasks (Fussell et al., 2003) Having a computational description of these processes can provide insight into why they occur, can expose implicit and possibly inadequate simplifying assumptions ... models to a new task domain that can elaborate on referential patterns in the presence of various forms of shared visual information Finally, we make use of a corpus gathered from laboratory studies...

Ngày tải lên: 24/03/2014, 03:20

... language Contrary to some of today 's languages, METAPOST is a simple and clean language Actually, it is a macro language Although METAPOST and TEX are a couple, the languages differ in many aspects ... beforehand This also means that each cell that you access is reported as unknown unless you have assigned it a value Behind the screens there are not really arrays It 's just a matter of creating hash ... Nesting is discouraged as it makes your code less readable Besides def and vardef, METAPOST also provides the classifiers primarydef, secondarydef and tertiarydef You can use these classifiers...

Ngày tải lên: 15/04/2014, 14:26

... Legal System sets out an agenda for legal reform and renewal It comprises a series of practical proposals for making the American legal system more understandable, affordable and welcoming to all ... UNCONTESTED NAME CHANGES, ADOPTIONS, DIVORCES AND PROBATES, ARE PRESENTED TO AMERICAN JUDGES THIS IS AS NEEDLESS AS IT IS COSTLY COURTS ARE A MISERABLE PLACE TO HANDLE ROUTINE PAPERWORK Courts are ... already imported writs of scire facias, lawsuits for trespass de bonis asportatis and other similarly mysterious creatures Judges took on kingly airs, throwing out cases if the papers misspelled...

Ngày tải lên: 18/04/2014, 14:05

... repeated small successes), that skill in preparation (which was motivated by a fearful mindset) may be your greatest asset Another way to look at a weakness is to realize that our minds are an amazing ... dangerous and common misuses of candles is trying to use them as a stand-alone trading vehicle This is wrong Candles are a tool, not a trading system This is why I also show how to combine candles ... Yin and Yang 27 The Chinese philosophy preaches not good or bad per se, but instead harmony amongst opposites For example, characteristics sometimes perceived as bad such as weakness, and a submissive...

Ngày tải lên: 03/05/2014, 12:53

... good suit is king A well-designed suit can make a man look successful, sophisticated, and chic A pinstripe, a favorite of lawyers and investment bankers, can make a small man look tall or a chunky ... hours Men who are in creative fields such as art, music, or film, however, can wear an earring YY Watches (men and women) Stick with a good dress watch, as long as it s not ostentatious Stay away ... jacket A skirt that is tailored and straight lined is both authoritative and stylish, as is a straight-lined skirt that flares out at the bottom Conventional wisdom used to be that your boss...

Ngày tải lên: 21/06/2014, 03:20

... flow and give a semblance of curves Halter styles are a good choice, as are fabrics in lighter shades near your shoulders and darker shades at your waist and hips, which create the illusion of a ... things people should notice when they meet you is your eyes and face Your clothes and hair aren’t the stars; you are! Be careful not to create what I call a visual assault Examples of visual assaults ... discrimination such as being passed over for promotions or being subject to derogatory remarks Only three cities—Washington, D.C., San Francisco, and Santa Cruz (California)—have laws against...

Ngày tải lên: 21/06/2014, 03:20

... important factor in arriving at first impressions The participants included Caucasians, A ­ frican-Americans, Latinos, and Asians between the ages of 20 and 60 As expected, clothes and face topped ... good social skills are comfortable making small talk, no matter how inane the topics If you have trouble with this, read newspapers and magazines (gossip magazines are good for conversation starters), ... Americans are used to, so don’t complain to the waiter at a French restaurant that you were shorted Eating reasonable portions is one reason why Europeans don’t suffer as much from obesity as we super-size-loving...

Ngày tải lên: 21/06/2014, 03:20

... e-mail is impolite and leaves the sender questioning whether or not the message was received YY Do not attach unnecessary files Sending large attachments is annoying and can clog up an e-mail system ... signature at the end of your e-mail, the message will seem as though it is hastily written It s a little like a weak handshake You must seal the message with a strong signature that includes your ... improper spelling, grammar, and punctuation makes a bad impression It s a little like verbal slouching Most computer systems have a spell-checker, so use it! YY Make it personal If you are doing an...

Ngày tải lên: 21/06/2014, 03:20

... you are saying If you are worried about asking your boss for a raise, imagine yourself making a case for a pay increase where the outcome is positive You can also, as a form of meditation, visualize ... anyway You can usually tell within the first five minutes if the chemistry is there and that person is worth pursuing What Your Handshake Says About You Handshakes are used in greetings and as ... error at work, and fixing it saved the company thousands of dollars”) Small, seemingly insignificant successes are just as important as major ones, and we often forget to give ourselves due credit...

Ngày tải lên: 21/06/2014, 03:20