Ke komo ʻoe i kahi ʻōnaehana UNIX, ua kapa ʻia kāu kikowaena nui i ka ʻōnaehana ʻo UNIX SHELL. ʻO kēia ka polokalamu e hāʻawi iā ʻoe i ka hōʻailona kālā ($) wikiwiki. ʻO kēia ka manaʻo ua mākaukau ka pūpū e ʻae i kāu mau kauoha i paʻi ʻia. … Hoʻohana lākou a pau i ka hōʻailona kālā ma ke ʻano he wikiwiki.
He aha ka $? Mean ma Linux?
$? -Ke kūlana puka o ke kauoha hope i hoʻokō ʻia. … No nā ʻatikala shell, ʻo ia ka ID kaʻina hana a lākou e hoʻokō nei.
He aha ka $? Ma Shell?
$? he ʻano hoʻololi kūikawā i ka shell e heluhelu ana i ke kūlana puka o ke kauoha hope i hoʻokō ʻia. Ma hope o ka hoʻi ʻana o kahi hana, $? hāʻawi i ke kūlana puka o ke kauoha hope i hoʻokō ʻia ma ka hana.
He aha ka $? Mean ma Unix?
$? = ua holomua ke kauoha hope. ʻO ka pane ʻo 0 ʻo ia ka 'ae'.
He aha ke dala ma ka palapala shell?
Hoʻohana ʻia kēia mea hoʻokele e nānā i ke kūlana o ke kauoha hope i hoʻokō ʻia. Inā hōʻike ke kūlana '0' a laila ua hoʻokō maikaʻi ʻia ke kauoha a inā hōʻike ʻia ʻo '1' a laila ua hāʻule ke kauoha. Mālama ʻia ka code exit o ke kauoha mua ma ka shell variable $?.
No ke aha i hoʻohana ʻia ai ʻo Linux?
Ua lilo ʻo Linux i ke kumu o nā ʻoihana pūnaewele ʻoihana, akā i kēia manawa he kumu nui ia o ka ʻoihana ʻoihana. ʻO Linux kahi ʻōnaehana hoʻāʻo a ʻoiaʻiʻo, open-source operating system i hoʻokuʻu ʻia i ka makahiki 1991 no nā kamepiula, akā ua hoʻonui ʻia kona hoʻohana ʻana i nā ʻōnaehana underpin no nā kaʻa, kelepona, nā kikowaena pūnaewele a me nā mea hou aku, nā mea hana pūnaewele.
He aha ka $0 pūpū?
$0 Hoʻonui i ka inoa o ka pūpū a i ʻole ka hōʻailona shell. Hoʻonohonoho ʻia kēia ma ka hoʻomaka ʻana o ka shell. Inā kāhea ʻia ʻo Bash me kahi faila o nā kauoha (e nānā i ka Pauku 3.8 [Shell Scripts], ʻaoʻao 39), ua hoʻonohonoho ʻia ʻo $0 i ka inoa o ia faila.
Pehea wau e ʻike ai i kaʻu pūpū i kēia manawa?
Pehea e nānā ai i ka pūpū aʻu e hoʻohana nei: E hoʻohana i nā kauoha Linux a i ʻole Unix: ps -p $$ – Hōʻike pono i kou inoa pūpū o kēia manawa. echo "$SHELL" - Paʻi i ka pūpū no ka mea hoʻohana i kēia manawa akā ʻaʻole pono ka pūpū e holo nei i ka neʻe.
Pehea e hana ai ʻo Shell ma Linux?
ʻO kahi pūpū i loko o kahi ʻōnaehana Linux e lawe i ka hoʻokomo mai iā ʻoe ma ke ʻano o nā kauoha, kaʻina hana, a laila hāʻawi i kahi puka. ʻO ia ke kikowaena kahi e hana ai ka mea hoʻohana i nā papahana, nā kauoha, a me nā palapala. Loaʻa ka pūpū e kahi pahu e holo ai.
He aha ka shell ma Ubuntu?
ʻO ka shell kahi papahana e hāʻawi ana i ka mea hoʻohana kuʻuna, kikokikona wale nō no nā ʻōnaehana hana like me Unix.
No ke aha mākou e hoʻohana ai iā Unix?
ʻO Unix kahi ʻōnaehana hana. Kākoʻo ia i ka hana multitasking a me nā mea hoʻohana lehulehu. Hoʻohana nui ʻia ʻo Unix i nā ʻano ʻōnaehana kamepiula e like me ka desktop, laptop, a me nā kikowaena. Ma Unix, aia kahi mea hoʻohana kiʻi like me nā puka makani e kākoʻo ana i ka hoʻokele maʻalahi a me ke kaiapuni kākoʻo.
He aha ka hōʻailona i kapa ʻia ma Unix?
No laila, ma Unix, ʻaʻohe manaʻo kūikawā. ʻO ka asterisk he ʻano "globbing" i nā pūpū Unix a ʻo ia ka wildcard no kekahi helu o nā huapalapala (me ka zero). ? ʻo ia kekahi ʻano globbing maʻamau, pili pono i kekahi o kēlā me kēia ʻano. *.
He aha ke ʻano o $@?
Ua aneane like ka $@ me $* , ʻo ia hoʻi ka manaʻo o "nā manaʻo hoʻopaʻapaʻa laina kauoha āpau". Hoʻohana pinepine ʻia lākou e hāʻawi i nā manaʻo hoʻopaʻapaʻa a pau i kahi papahana ʻē aʻe (pēlā e hana ai i kahi ʻōwili a puni kēlā papahana ʻē aʻe).
He aha ka manaʻo o $3 i loko o kahi hōʻailona shell?
Wehewehe: ʻO ke kaʻina hana keiki he kaʻina hana i hoʻomaka ʻia e kekahi kaʻina hana, kona makua. Nā palena kūlana. Hāʻawi ʻia nā ʻōlelo hoʻopaʻapaʻa i ka palapala mai ka laina kauoha [1] : $0, $1, $2, $3 . . . ʻO $0 ka inoa o ka palapala ponoʻī, $1 ka hoʻopaʻapaʻa mua, $2 ka lua, $3 ke kolu, a pēlā aku.
ʻO wai o kēia ʻaʻole he pūpū?
ʻO wai o kēia mau mea ʻaʻole ke ʻano o ka pūpū? Wehewehe: ʻAʻole ʻo ka shell Perl kahi ʻano pūpū ma unix. 2.