Gulu la eux

Monga mukudziwa, zomwe zimachitika mu akaunti ya Linux zogwira ntchito zimachitika kudzera mu cortole. Ogwiritsa ntchito amagwiritsa ntchito malamulo apadera omwe ali ndi malamulo apadera, ndipo pasadakhale zosankha zomwe zafotokozedwazo zimalola manja awo kuti aziwongolera zowonjezera zomwe zingawonjezere ntchito. Limodzi mwa malamulowa ndilolongosola, ndipo lero tikufuna kunena mwatsatanetsatane za izi, kubweretsa zitsanzo zingapo za kugwiritsa ntchito kwake.

Timagwiritsa ntchito lamulo la echo ku Linux

Gulu la Echo lomwe likuphunzirira lero lili ndi mawonekedwe oyamba komanso opita kwapadera - kuwonetsa zolemba pazenera. Komabe, izi sizisokoneza nthawi zambiri nthawi zambiri pamalemba osiyanasiyana komanso zina. Kenako, tikuganiza mwachidule ndi katswiri wa syntax ya zinthu izi ndikukhumudwitsa zitsanzo zophweka kwambiri za zomwe zimayambitsa munsoto.

Echo syntax

Pafupifupi gulu lirilonse, kuwonjezera pa ntchito yayikulu, amathanso kuchita zinthu zina poganizira mfundo zomwe zanenedwazo. Eya sanatchule pankhaniyi, chifukwa cha kuphweka kwa njira zapamwamba, kulibe zochuluka. Tiyeni tikambirane zambiri za aliyense wa iwo, koma samalani ndi zomwe mungawone mu mzere: zingwe za Echo +.

-Ndi_izo sizikuwonetsa kusintha kwa mzere;
-e - umayambitsa kuphatikizika kwa kusintha kwa zinthu;
-E - Imalepheretsa kutanthauzira kwa kusintha kwa zinthu.

Tikuwonanso kuti kuthawa kutsatira njira zapadziko lonse lapansi ndi njira zosonyezera. Aliyense wa iwo ali ndi phindu lotsimikizika, ndipo ngati muthandizira kutanthauzira mukamagwiritsa ntchito mawu a echo, mutha kugwiritsa ntchito mfundozi:

/ C - Udindo wochotsa chingwe;
/ T - kuwonetsa tabu yopingasa;
V - imapanga tabu yolunjika;
/ b - amachotsa chizindikiro cham'mbuyomu mu chingwe;
/ n - zimaphatikizapo kusamutsa chingwe chatsopano;
/ R - imabweza chonyamula kumayambiriro kwa mzere.

Apanso, tikufotokozerani za zomwe zili pamwambapa zilipo kuti mungolowa pamavuto amenewo komwe mudapereka poyamba kutsutsana - mgululi. Ngati ndi kotheka, lirilonse la chizindikiro ichi likhoza kukonza pambuyo pa chingwe chololeza chomwe tidzaonetsetsa malangizo otsatirawa.

Mapeto a Chingwe Chosavuta

Monga tanena kale, cholinga chachikulu cha lamulo la Echo ndikutulutsa chingwe. Ziri pa izi kuti tikufuna kukambirananso, ndinapenda zochita zingapo zosavuta zomwe zingakuthandizeni kumvetsetsa momwe zingagwiritsire ntchito bwino.

Thamangitsani kutonthoza kwa inu, mwachitsanzo, kudzera mu menyu yofunsira kapena kukanikiza batani la CTRL + T Lowani Bwino Echo. Imakonzedwa ndikukanikiza fungulo la Enter.

Kugwiritsa ntchito lamulo la echo mu Linux popanda kugwiritsa ntchito njira zowonjezera

Monga mukuwonera, mu mzere watsopano, mawu omwe adalowetsa kumenewo mwanjira yomweyo adawonekera.

Zotsatira zake ndikugwiritsa ntchito lamulo la echo mu Linux popanda zosankha zina.

Ngati mungawonjezere njira \ b lisanathe mawu aliwonse, zomwe zingachitike, zomwe zikutanthauza kuti zotsatira zake ziziwoneka popanda malo, zomwe zimaperekedwa kuti tiwone zoyambira.

Kugwiritsa ntchito echo mu Linux ndi njira yochotsa chizindikiro cha chizindikiro chapitacho

Timayika njira yomwe mwatchulidwa m'mawu onse, chifukwa chake zidakhala zoyenera.

Zotsatira zakugwiritsa ntchito echo mu Linux ndi njira yochotsera chizindikiro chakale

Tsopano tiyeni timvere ku \ n paramu. Monga mukudziwa kale, imayendetsa kusamutsa chingwe, zikananenedwa koyambirira.

Kugwiritsa ntchito echo ku Linux ndi njira yosamutsa ku chingwe chatsopano

Tinawonetsera \ n pachilichonse pambuyo pake, chifukwa chake, aliyense wa iwo adzawonetsedwa mzere watsopano.

Zotsatira zake ndikugwiritsa ntchito lamulo la echo mu Linux ndi njira yosamutsa ku chingwe chatsopano

Timatembenukira ku tabu yomwe imagwiritsidwa ntchito potsatira mawu. Mudzalembetsa mokwanira m'malo ofunikira \ T kuti mukwaniritse zotsatira zomwe mukufuna.

Kugwiritsa ntchito echo mu Linux ndi njira ya tabu

Monga momwe tingadziwire, ku liwu loyamba, chizindikiritso chinali kawiri. Ganizirani izi pamene mizereyo ikuwonetsedwa.

Zotsatira zakugwiritsa ntchito echo ku Linux ndi njira ya TAB

Kuphatikiza apo, palibe chomwe chimasokoneza kutchulapo zina mwatsatanetsatane, kuona malamulo olowera.

Kuphatikiza njira mukamagwiritsa ntchito echo ku Linux

Mwachitsanzo, pazenera pansipa yomwe mukuwona zotsatira zotulutsa ndi kusamutsa ndi tab nthawi yomweyo.

Zotsatira zophatikiza njira mukamagwiritsa ntchito echo ku Linux

Monga chitsanzo chotsiriza, tengani / v. Kutsutsana uku kumapangitsa mtundu wokhazikika.

Kugwiritsa ntchito njira yopukutira kwa echo ku Linux

Zotsatira zake, liwu lililonse limapezeka kuchokera pamzere watsopano komanso mawonekedwe a masitepe.

Zotsatira zakugwiritsa ntchito tabu yolumikizira ya echo mu Linux

Tsopano mukudziwa kuti lamulo la echo limatha kuwonetsa mizere yomwe ili mwanjira iliyonse yomwe ingaperekedwe pofotokoza zosankha zoyenera. Tiyeni tipite ku magawo ena kuti mumvetsetse kuti ndi iti yogwirizira mu mtundu woyenera.

Kutulutsa kwa mfundo zosinthika

Pafupifupi mawu aliwonse, zosintha zina zimagwiritsidwa ntchito pomwe mtengo wake usanachitike. Ngati tikulankhula za mphamvu ya Echo, ndiye kuti zimatha kutulutsa tanthauzo lake. Tikambirana izi mu gawo limodzi lolimbana ndi mawu osankhidwa. Izi zikutanthauza kuti ndikayambiranso kutonthoza, mfundo zakezo zingatheke.

Poyamba, kupanga kusinthika kolakwika polowa kutumiza kunja I = Lumpecs, komwe ine ndi dzina la chosinthika, ndipo Lumpecs ndi mtengo wake.

Kupanga zosintha kuti zitheke kudzera pa echo ku Linux

Gwiritsani ntchito echo $ ndikuwonetsa mtengo wa zosinthika zomwe zasankhidwa mu mzere wotsatira.

Lowetsani Echo Lamulo mu Linux pogwiritsa ntchito chosinthika

Monga mukuwonera, zonse zimawonetsedwa bwino.

Zotsatira za Echo Lamulo la Echo ku Linux pogwiritsa ntchito chosinthika

Pangani zosintha zina kudzera mu kutumiza l = inux.

Kupanga chosinthika chachiwiri chophatikizidwa mu echo mu Linux

Timapereka lamulo la milandu Echo $ icho $ l.

Kuphatikiza zophatikizika ndi zosintha ziwiri za echo ku Linux

Tsopano mukudziwa kuti echo limayenderana ndi zosintha za mitundu iwiri kapena kupitilira mu mtundu wa mzere umodzi.

Zotsatira zophatikizika ndi zosintha ziwiri za echo mu Linux

Nthawi zambiri, kutulutsa kosiyanasiyana kumagwiritsidwa ntchito pokhapokha polemba zolemba, izi zitha kukhala zothandiza ngati zikuthandizira kutengera gawo limodzi, zomwe akuchita mkati mwa gawo limodzi.

Kugawa Zingwe

Ngati mukugwiritsa ntchito mopitirira muyeso, mukudziwa kuti mawu aliwonse atha kutenga mtundu wina pano, osati loyera kapena lakuda (kutengera mutu "terminal"). Echo, amakupatsaninso kuti muzipenda mizere, ndipo chifukwa cha izi:

\ 033 [30m - wakuda;
\ 033 [31m - ofiira;
\ 033 [32M - wobiriwira;
\ 033 [33m - chikasu;
\ 033 [34m - buluu;
\ 033 [35m - wofiirira;
\ 033 [36M - buluu;
\ 033 [37m - imvi.

Palinso mfundo zina zingapo zomwe zimakupatsani mwayi kuti musinthe mtundu wa zolembedwazo. Zikuwoneka ngati mndandanda wofanana, koma pali kusiyana kwa manambala:

\ 033 [40m - wakuda;
\ 033 [41m - ofiira;
\ 033 [42M - wobiriwira;
\ 033 [43m - chikasu;
\ 033 [44m - buluu;
\ 033 [45m - wofiirira;
\ 033 [46m - buluu;
\ 033 [47m - imvi;
\ 033 [0m - imabwezeretsanso zonse zokhazikika.

Monga momwe mudamvetsetsa kale, mfundozi zikuyenera kugwiritsidwa ntchito mzere uliwonse ngati pakufunika thandizo. Zikuwoneka ngati mawonekedwe ofanana ndi awa: Echo -e "\ 033 [33mlwampkics \ 033 [46mlinuux".

Kugwiritsa ntchito lamulo la echo ku Linux kuti musinthe mtundu wa mizere

Chitsanzo choposa chinali chamtundu wa alungula mu mtundu wa lalanje, ndipo maziko a mitundu yosiyanasiyana adayambitsidwanso ku "tsamba" ndi "linux". Mukuwona izi mu chithunzi pansipa.

Zotsatira zakugwiritsa ntchito echo mu Linux kuti musinthe mtundu wa mizere

Zilembo zapadera

Lamulo la Echo limagwira ntchito kokha mu malo a Bas, motero, ziyenera kukhalabe ndi zosankha zolondola pankhani yachilengedwe. Nthawi zambiri, ali ndi udindo wopanga mafayilo ndi kutulutsa kwa zinthu zomwe zilipo.

Lowetsani Echo * ku terminal kuti muwonetse zomwe zili patsamba lapano.

Kugwiritsa ntchito lamulo la echo mu Linux kuti muwonetse zomwe zili patsamba lapano

Mzere wotsatira udzaonekera mndandanda wa madandaulo onse omwe akubwera ndi zinthu zina. Idzakhala chingwe chotsimikizika popanda kulembetsa. Komabe, tsopano mukudziwa kale kuti zitha kusinthidwa pamaziko a zitsanzo pamwambapa.

Echo lamulo la eya mu Linux mutatha kuwonetsa zomwe zili mufola

Fotokozerani Echo * .txt ngati mukufuna kuwonetsa zinthu za mtundu wopangidwa. Sinthanitsani njira ina.

Kugwiritsa ntchito lamulo la echo mu Linux kuti litulutse mtundu wina

Mapeto ake, tikuwonanso kuti echo limachitanso kusintha mafayilo osinthika, omwe amachitika motere: Echo 1> / Pulogalamu / SYS / IP --FRARD. 1 - Chingwe chogwiritsira ntchito, a / Pulogalamu / SYS / Net / IPV4 / IP_Forrd - Njira yomwe mukufuna.

Kugwiritsa ntchito lamulo la echo ku Linux kuti asinthe mafayilo osintha

Monga gawo la zinthu zamasiku ano, tinalimbana ndi mawu a Linux yogwira ntchito. Ngati mukufuna mutu wa kuyanjana ndi magulu otchuka, kuwonjezera apo, timalimbikitsa kuti aphunzire nkhani pamutuwu patsamba lathu, ndikuyenda pansipa.

Wonenaninso:

Malamulo omwe amagwiritsidwa ntchito pafupipafupi mu "terminal" linux

Ln / kupeza / ls / grep / pwd ku Linux