Cov txheej txheem:

Qhov twg yog ib qho kev hais kom ua sab hauv?
Qhov twg yog ib qho kev hais kom ua sab hauv?

Video: Qhov twg yog ib qho kev hais kom ua sab hauv?

Video: Qhov twg yog ib qho kev hais kom ua sab hauv?
Video: Tshuaj theem vim li cas thiaj tau nqi ?/ Siv kho mob dab tsi?/paris polyphylla use for? 2024, Kaum ib hlis
Anonim

hais kom ua sab hauv . Hauv DOS systems, ib lus txib yog ib qho lus txib uas nyob hauv Lus txib . COM file. Qhov no suav nrog DOS feem ntau lus txib , xws li COPY thiab DIR. Cov lus txib uas nyob hauv lwm cov ntaub ntawv COM, lossis hauv EXE lossis BAT cov ntaub ntawv, raug hu ua sab nraud lus txib.

Ua kom pom qhov no, dab tsi yog cov lus txib sab hauv thiab sab nraud?

Ib hais kom ua sab hauv yog embedded rau hauv lus txib .com cov ntaub ntawv, thiab ib qho lus txib sab nraud tsis yog andrequires ib tug cais cov ntaub ntawv rau kev khiav hauj lwm. Txhua tus ntawm lus txib teev nyob rau ntawm nplooj ntawv pab MS-DOS qhia tias dab tsi lus txib yog sab nraud thiab sab hauv.

Qhov thib ob, DOS piav qhia txog dab tsi hauv thiab sab nraud DOS cov lus txib nrog piv txwv? Internal Commands . Tsis muaj kev xav tau ntawm ib qho twg sab nraud cov ntaub ntawv incomputer los nyeem sab hauv MS- DOS hais kom ua . Cov no lus txib siv tau ntev li ntev tau DOS yog khiav ntawm qhov system. Cov lus txib sab hauv tsis txawv ntawm qhov system mus rau qhov system. Cov no yog ver, time, Del, MD, CD, copy con, cls, date, vol, ren, copy etc.

Tsuas yog li ntawd, dab tsi yog sab nraud command?

Ib lus txib sab nraud yog MS-DOS lus txib uas tsis suav nrog lus txib .com. Cov lus txib sab nraud feem ntau sab nraud txawm yog vim lawv xav tau cov kev cai loj lossis tsis siv ntau lus txib . Daim duab qhia txog txhua tus cov lus txib sab nraud yog cov ntaub ntawv cais.

Dab tsi yog cov lus txib sab hauv hauv DOS piav qhia tsib yam lus hauv DOS?

DOS Internal Commands

  • LUB SIJ HAWM. Qhia lub sijhawm tam sim no thiab tso cai rau nws hloov pauv.
  • DATE. Qhia hnub tam sim no thiab tso cai rau nws hloov.
  • CLS. Clears lub vijtsam.
  • DIR. Qhia cov ntaub ntawv teev npe ntawm lub diskette: lub npe, qhov loj me, thiab hnub tim thiab lub sijhawm stamp ntawm cov ntaub ntawv.
  • COPY. Luam ib cov ntaub ntawv.
  • HOM. Qhia cov ntsiab lus ntawm cov ntaub ntawv.
  • DEL.
  • REN.

Pom zoo: