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์ƒํ™œ์ฝ”๋”ฉ85

[Linux-์ƒํ™œ์ฝ”๋”ฉ] IO Redirection3 : append [์ถœ์ฒ˜-์œ ํŠœ๋ธŒ ์ƒํ™œ์ฝ”๋”ฉ] https://youtu.be/l39yXacR1_s?list=PLuHgQVnccGMBT57a9dvEtd6OuWpugF9SH (์ด๋ฒˆ ์ˆ˜์—…์€ ์‰ฌ์–ด๊ฐ€๋Š” ๋Š๋‚Œ) append ๋ง๋ถ™์ด๋‹ค, ์ฒจ๋ถ€ํ•˜๋‹ค >> ๋ฅผ ์“ด๋‹ค ๋ฆฌ๋ˆ…์Šค์—์„œ email ๋ณด๋‚ด๋Š” ๋ฒ• $ mail [๋ฉ”์ผ์ฃผ์†Œ] 2021. 3. 15.
[Linux-์ƒํ™œ์ฝ”๋”ฉ] IO Redirection2 : input [์ถœ์ฒ˜-์œ ํŠœ๋ธŒ ์ƒํ™œ์ฝ”๋”ฉ] https://youtu.be/pagAkhHpzQk?list=PLuHgQVnccGMBT57a9dvEtd6OuWpugF9SH head ์•ž์—์„œ๋ถ€ํ„ฐ 10ํ–‰๊นŒ์ง€๋งŒ ์ถœ๋ ฅํ•œ๋‹ค. $ head -n1 linux.txt linux.txt ํŒŒ์ผ์˜ 1์ค„๋งŒ ์ถœ๋ ฅํ•œ๋‹ค $ head -n1 one.txt head -n1 < linux.txt์˜ ํ‘œ์ค€ ์ถœ๋ ฅ์„ one.txt์— ์ €์žฅํ•œ๋‹ค. 2021. 3. 15.
[Linux-์ƒํ™œ์ฝ”๋”ฉ] IO Redirection1 : output [์ถœ์ฒ˜-์œ ํŠœ๋ธŒ ์ƒํ™œ์ฝ”๋”ฉ] https://youtu.be/kpcEoSiMgnU?list=PLuHgQVnccGMBT57a9dvEtd6OuWpugF9SH โ˜… standard output : ํ‘œ์ค€ ์ถœ๋ ฅ $ rm result.txt 1> rename.txt 2> error.log rm result.txt๊ฐ€ ์ถœ๋ ฅํ•˜๋Š” ๊ฒฐ๊ณผ๋Š” rename.txt์— ์ €์žฅ์ด ๋˜๊ณ  rm result.txt๋ฅผ ์‹คํ–‰ํ•˜๋Š” ๊ฒฐ๊ณผ์— ์—๋Ÿฌ๊ฐ€ ํฌํ•จ๋˜์–ด ์žˆ๋‹ค๋ฉด ๊ทธ ์—๋Ÿฌ๋Š” error.log์— ์ €์žฅ์ด ๋œ๋‹ค. 2021. 3. 7.
[Linux-์ƒํ™œ์ฝ”๋”ฉ] Why using CLI? (pipeline) [์ถœ์ฒ˜-์œ ํŠœ๋ธŒ ์ƒํ™œ์ฝ”๋”ฉ] https://youtu.be/jiNfAQRJuRs?list=PLuHgQVnccGMBT57a9dvEtd6OuWpugF9SH cat ํŒŒ์ผ ๋‚ด์šฉ์„ ์ถœ๋ ฅํ•œ๋‹ค $ cat [ํŒŒ์ผ ์ด๋ฆ„] grep ํŒŒ์ผ์˜ ๋‚ด์šฉ์—์„œ ํŠน์ • ๋ฌธ์ž์—ด์„ ์ฐพ๊ณ ์ž ํ•  ๋•Œ ์‚ฌ์šฉํ•˜๋Š” ๋ช…๋ น์–ด $ grep [์ฐพ๊ณ  ์‹ถ์€ ๋‹จ์–ด] [๋ช…๋ น์„ ์ˆ˜ํ–‰ํ•  ํŒŒ์ผ๋ช…] | (pipeline) ๋‘˜ ์ด์ƒ์˜ ๋ช…๋ น์„ ํ•จ๊ป˜ ๋ฌถ์–ด ์ถœ๋ ฅํ•˜๋Š” ๊ธฐ๋Šฅ $ ls --help | grep sort ls --help ๋ฆฌ์ŠคํŠธ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. ๊ทธ ์ค‘์—์„œ sort๋ผ๋Š” ๋ฌธ์ž์—ด๋งŒ grepํ•œ๋‹ค ps (process) ํ”„๋กœ์„ธ์Šค์˜ ํ˜„์žฌ ์ƒํƒœ๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค 2021. 3. 7.
[Linux-์ƒํ™œ์ฝ”๋”ฉ] Why using CLI? -sequence execution (semicolon) [์ถœ์ฒ˜-์œ ํŠœ๋ธŒ ์ƒํ™œ์ฝ”๋”ฉ] https://youtu.be/nCi2QYbNow4?list=PLuHgQVnccGMBT57a9dvEtd6OuWpugF9SH ; (semicolon) ๋ช…๋ น์–ด๋ฅผ ๊ตฌ๋ถ„ํ•˜๋Š” ๊ธฐํ˜ธ $ mkdir why;cd why mkdir why๋ฅผ ๋จผ์ € ์ˆ˜ํ–‰ํ•˜๊ณ  ๊ทธ ๋‹ค์Œ์— cd why๋ฅผ ์ˆ˜ํ–‰ 2021. 3. 7.
[Linux-์ƒํ™œ์ฝ”๋”ฉ] Source download : git [์ถœ์ฒ˜-์œ ํŠœ๋ธŒ ์ƒํ™œ์ฝ”๋”ฉ] https://youtu.be/v8WE_MbCjOU?list=PLuHgQVnccGMBT57a9dvEtd6OuWpugF9SH git $ git clone [์†Œ์Šค ์ฃผ์†Œ] [๋””๋ ‰ํ† ๋ฆฌ ๋ช…] ์ง€์ •ํ•œ ๋””๋ ‰ํ† ๋ฆฌ์— ์†Œ์Šค๊ฐ€ ๋‹ค์šด๋กœ๋“œ๋œ๋‹ค git์€ ๋”ฐ๋กœ ๋ฐฐ์šฐ๋Š” ์ค‘ 2021. 3. 7.
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