El dd umarni sananne ne sosai a cikin Linux. Umarni ne mai dacewa sosai, amma kaɗan sun san ainihin abin da zai iya yi bayan goyi bayan bayanai ko ɗaukar bayanai. Abin da ya sa na yanke shawarar ƙirƙirar wannan koyawa mai sauƙi tare da wasu misalai masu amfani na abin da wannan umarnin dd ɗin zai iya yi. Dukkaninsu misalai ne masu sauki na abubuwan da ake buƙatar a yi a yau da kullun.
To ina tsammanin kun riga kun san menene dd umarnin dangi na UNIX kuma hakan yana ba da damar kwafa da canza bayanai a matakin kaɗan, saboda haka yana da ƙarfi sosai. An yi amfani da shi gaba ɗaya don yin adanawa ko kwafin ajiya na wasu kafofin watsa labarai na ajiya, amma kuma don canja wurin takamaiman bayanai, canzawa daga nau'in tsari zuwa wani, da dai sauransu. Kodayake kamar alama kayan aiki ne na asali, ana amfani dashi sosai ...
Wasu misalai masu amfani da sauki na wannan umarnin sune:
- Clone daya rumbun kwamfutar zuwa wani don sdb shine ainihin kwafin abubuwan sda:
dd if=/dev/sda of=/dev/sdb
- Yi kwafin ajiya na kundin adireshi, fayil, ko bangare kuma samar da hoto (IMG, ISO, ...):
dd if=/dev/sda4 of=/home/backup/imagen.img
- Sake dawo da ajiyar baya:
dd if=/home/backup/imagen.img of=/dev/sda4
- Irƙiri ISO na diski na gani:
dd if=/dev/dvdrom of=/home/media/imagen.iso
- Share bayanai daga rumbun kwamfutarka ta hanyar sake rubuta shi:
dd if=/dev/random of=/dev/sdb
- Irƙiri fayil tare da wani girman, a wannan yanayin baiti 10, amma zaka iya zaɓar adadin da kake so, kuma idan ka canza ƙidaya ta 2, misali, zai kwafa shi:
dd if=/dev/zero of=~/prueba bs=100 count=1
Ina fatan wannan koyarwar ta taimaka muku, kamar yadda kuke gani mai sauƙi ne, amma zai iya adana muku girke wasu ƙarin shirye-shirye. Misali, idan kana son yin ISO na CD / DVD / BD, zaka iya amfani da dd maimakon samun takamaiman software don hakan. Hakan kuma yana tunatar da ni / dev / madauki ko na'urar madauki, wanda kuma zai iya taimaka muku hawa ISO da samun damar abubuwan da ke ciki ba tare da wasu ƙarin software baKa tuna cewa zaka iya ganin ƙarin bayani game da dd tare da "man dd". Yana da ƙarin zaɓuɓɓuka waɗanda zaku iya zama masu ban sha'awa.