Mein apnay previous articles mein discuss ker chukka ho Junk Files, Temporary Files, Temporary Internet Files and Cache k baray mein.
Aj hum baat kareingay Junk Files ki third type k baray mein, jo k hai
Internet Cookies. Cookies kis ko nahi pasand hotay, especially mujhe to
Chocolate Cookies buhat pasand hai :p, mager hum yaha per khanay ki baat
kernay k lye nahi aye hai.
Internet Cookies waisey to computer users ki life ko asaan kernay k lye
hi banaye gaye hai. Aur aj kal ki almost her website hi yeh feature use
kerti hai taqay users ko acha browsing experience mil sakay.
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So What These Internet
Cookies Really Are?
Jab bhi ap Internet se connect ho ker browsing ker rahay hotay hai ,to
jin websites per ap ja rahay hotay hai aur jin jin web pages ko visit
ker rahay hotay hai woh apki hard disk mein 1 text file save ker deti
hai. Is text file mein user information (apki information) saved hoti
hai, jo k websites apnay record k lye banati hai. Q k ager ap ussi website
per dubara jatay hai, to woh website sabse pehlay ap k computer mein us
text file ko search karaygi, aur jaisey hi woh text file mil jayegi to
us website ko pata chal jayega k ap pehlay bhi issi web page per achukay
hai. Yeh text file
Cookies kehlati hai.
Websites sirf aur sirf apni hi banaye hoi cookie files open ker sakti
hai. Woh koi bhi dosri cookie files open nahi ker sakti. Cookie files
mein unique visitor ID hota hai. Jab bhi koi new user kissi website per
jayega to website us k pc mein cookies ki file generate ker k Us file
mein usko 1 unique user ID degi, aur wohi information apnay pass bhi
save kerlaygi. To is tarah se jab bhi koi user dubara jata hai kissi website per
to apni Unique User ID se pehchana jata hai.
Cookies koi aisi dangerous chiz nahi hai jo koi bhi website ap k
computer mein save ker k ap k computer mein se data nikal leingi. Aisa
nahi hai. Cookies sirf 1 text file hoti hai, aur yeh khud se execute
(open) nahi ho sakti. Buhat saray laug aisa bhi sochtay hai k yeh
Cookies jo hai Virus hotay hai, jab k aisa nahi hai.
How This Process Actually
Works?
1. Ager ap apnay browser mein kissi bhi website ka address likhtay hai,
to sab se pehlay apka browser us website k main server ko contact
karayga jaha per yeh website saved hai ya uploaded hai
2. Jab server mil jayega, to woh main server ap k computer mein cookies
ki file ko search karayga aur jaisey hi woh file mil jayegi to apka
browser us cookie ki file mein se data nikal ker main server ko send
kerdayga.
3. Ager cookies ki file us website se related ap k computer mein nahi
hai, to woh main server ap ko as a new user treat karayga aur apko 1
unique user ID de ker apnay database mein woh information save kerlayga.
Aur same file ap k browser ko bhi forward kerdayga. Phir apka browser
woh cookie ki file ko folder mein save kerdayga.
I hope k meinay apko confuse na kia ho. Ager samajh na aya ho, to is section ko araam se dubara parhnay ki koshish karay
Why Websites Need Cookie
Files?
Aj kal ki websites buhat change hogaye hai, aur kafi modern kissam ki
websites hai jo k apnay database mein her information user se related ko
save ker k rakhti hai. Jaisey k
1. How many visitors came today
2. How many are new visitors
3. How many times a visitor has visited to the site
4. Keeps the user preferences.
User preferences ka matlab hai for example, ager ap gmail k sign in page
per jatay hai, aur waha per apna user id and password daal ker Remember
Me per bhi click ker detay hai, to woh website ap k computer mein
cookie ki file ko generate karaygi aur ap ki yeh information bhi waha
save kerdaygi aur apnay pass bhi record kerlaygi. Is tarah se jab bhi ap
us website per dubara jayeingay to pehlay se apna user ID likha dekheingay
ya phir automatically sign in ho jayeingay bager information enter kye
hoe.