Pombi inzira yekudzosera (kuchinjisa kweyakajairwa kubuda kune imwe nzvimbo yekuenda) iyo inoshandiswa muLinux uye mamwe maUnix-senge masisitimu anoshanda kutumira kuburitsa kweimwe kuraira/chirongwa/maitiro kune imwe kuraira .
Chii chinonzi pombi character?
1 Mhinduro. Mu bash (uye mazhinji * nix shells) iyo | (pombi) chiratidzo inotora zvabuda kubva kune imwe kuraira uye inoishandisa seyo yekuisa yeinotevera rairo.
Ko pipe inoitei mubash script?
The Pipe. Kuti tibatanidze kubuda kwemurairo sekuisa kweumwe isu tinofanirwa kushandisa bhara rakamira "|". Chinhu chekucherechedza ndechekuti kuraira kwega kwega kunofambiswa zvinoenderana, zvinoreva kuti goko rinomirira murairo wega wega pamigumo yese yepombi kuti upedze usati wadzosa kutonga.
Ndezvipi zvakanakira pombi muUnix?
Zviviri zvakanaka zvakadai kushandiswa kwepombi uye redirection. Nepombi uye redirection, unogona "cheni" akawanda mapurogiramu kuti ave mirairo ine simba zvakanyanya. Zvirongwa zvakawanda pamutsara wekuraira zvinogamuchira nzira dzakasiyana dzekushanda. Vazhinji vanogona kuverenga nekunyora kumafaira edata, uye vazhinji vanogona kugamuchira zvakajairwa kupinza kana kuburitsa.
Ndeipi mirairo yaunogona kuridza pamwe chete kamwechete?
2 Mhinduro. Sekuziva kwangu, hapana muganhu pahuwandu hwepombi, sezvo mirairo ichingoitwa imwe pashure peimwe. Muganho chete ungave huwandu hwe data yakapfuudzwa nepombi, kana "Pipe Buffer Limit."
Unogona here kupinza mubash script?
Mubash, pombi ndiyo iyo | chimiro chine kana chisina & chimiro. Nesimba remavara ese ari maviri akasanganiswa isu tine ma control operators emapaipi, | uye |&. Sezvaungafungidzira, kubatanidza mirairo pamwechete mubash uchishandisa faira I / O haisi pombi yekurota. Zviri nyore kana iwe uchiziva mapaipi ako.
Chii chinonzi bash chiratidzo?
Special bash mavara nezvaanoreva
| Special bash character | zvichireva |
|---|---|
| # | # inoshandiswa kutaura mutsara mumwechete mune bash script |
| $$ | $$ inoshandiswa kunongedzera process id yechero command kana bash script |
| $0 | $0 inoshandiswa kuwana zita remurairo mune bash script. |
| $zita | $name ichadhinda kukosha kwekusiyana "zita" rinotsanangurwa mune script. |
Ndeupi musiyano uripo pakati pe redirection uye piping?
Redirection ndeye (kazhinji) yemafaira (iwe unotungamira hova kuenda / kubva kumafaira). Piping ndeyemaitiro: iwe pombi (redirect) inoyerera kubva kune imwe nzira kuenda kune imwe. Chaizvoizvo chaunonyatsoita "kubatanidza" imwe yakajairwa rukova (kazhinji stdout ) yeimwe maitiro kune yakajairwa rwizi rweimwe maitiro (kazhinji stdin ) kuburikidza nepombi.
Iwe unogadzira sei pombi muUnix?
Unix pombi inopa nzira imwe chete yekuyerera kwedata. ipapo iyo Unix shell yaizogadzira maitiro matatu ane mapaipi maviri pakati pawo: Pombi inogona kugadzirwa zvakajeka mukati. Unix uchishandisa iyo pombi system call. Tsananguro mbiri dzefaira dzinodzoserwa-mafiridhi[0] uye mafiridhi[1], uye ese akavhurirwa kuverenga nekunyora.
Ndeupi musiyano pakati pepombi neFIFO?
Pombi inzira yekutaurirana; data yakanyorerwa pombi neimwe nzira inogona kuverengwa neimwe nzira. … A FIFO yakakosha faira yakafanana nepombi, asi pachinzvimbo chekusazivikanwa, kubatana kwechinguvana, FIFO ine zita kana mazita semamwe faira.
Ndezvipi zvinhu zveUnix?
Iyo UNIX inoshanda sisitimu inotsigira anotevera maficha uye kugona:
- Multitasking uye multiuser.
- Chirongwa chekuronga.
- Kushandiswa kwemafaira semabviro emidziyo nezvimwe zvinhu.
- Yakavakirwa-mukati networking (TCP/IP yakajairika)
- Persistent system service maitiro anonzi "daemons" uye anotungamirirwa neinit kana inet.