NPE
tsab ntawv - ua hom ntawv kev sib tham ntawm qhov kev sib tw
SYNOPSIS
ntawv [- a ] [- f ] [- q ] [- t ] [ ntaub ntawv ]
KEV POM ZOO
Tsab ntawv ua ib hom ntawv sau txhua yam ntawm koj lub davhlau ya nyob twg. Nws yog ib qho tseem ceeb rau cov menyuam kawm ntawv uas xav tau cov ntaub ntawv sib tw ntawm kev sib tham sib tham ua pov thawj ntawm txoj hauj lwm, raws li hom ntaub ntawv sau tau luam tawm tom qab nrog lpr (1).
Yog tias cov ntaub ntawv sib cav, tsab ntawv txuag tau tag nrho cov kev sib tham hauv cov ntaub ntawv Yog tias tsis muaj npe lub npe , the typescript yog tseg rau hauv cov ntawv hom
Xaiv:
-a
Tshem tawm cov zis los ua ntaub ntawv lossis hom kev tuav tseg cov lus ua ntej.
-f
Tso zis tso zis tom qab txhua daim ntawv. Qhov no yog qhov zoo rau kev sib tham nrog teleconference: Ib tug neeg tsis ua 'mkfifo foo; tsab ntawv -f foo 'thiab lwm tus tuaj yeem saib xyuas cov sijhawm tiag tiag uas siv tau yog siv' foo foo '.
-q
Nyob ntsiag to.
-t
Tawm zis sij hawm cov ntaub ntawv rau kev ua yuam kev. Cov ntaub ntawv no muaj ob lub teb, sib cais los ntawm qhov chaw. Thawj daim ntawv qhia tau hais tias ntau npaum li cas lub sij hawm dhau txij thaum tso tawm dhau los. Lub tshav ob qhia tias pes tsawg cim tau tawm lub sijhawm no. Cov ntaub ntawv no tuaj yeem siv tau los ua kom rov qab tau hom ntawv sau nrog cov lus tseeb thiab cov lus tso tawm.
Tsab ntawv teev lus xaus thaum lub npog nkev tawm (qhov kev tiv thaiv-D tawm Bourne plhaub (sh (1)) thiab tawm, logout lossis tswj-d (yog tias tsis pom zoo) rau C-plhaub, csh (1)) .
Tej cov lus sib tham sib, xws li vi (1), tsim khib nyiab hauv cov ntawv sau. Tsab ntawv ua haujlwm zoo tshaj plaws nrog cov lus txib uas tsis muab qhov kev ntsuam xyuas, cov ntsiab lus tau hais tias yuav tsum ua raws li qhov kawg ntawm qhov kawg.
Tseem ceeb: Siv tus txiv neej hais kom ua ( % tus txiv neej ) seb qhov kev hais kom raug siv hauv koj lub computer.