{"componentChunkName":"component---src-templates-post-template-jsx","path":"/history/posts/2021-02-19--001","result":{"data":{"site":{"siteMetadata":{"title":"Blog by Eunyoung","subtitle":"작업 기록 블로그","copyright":"© All rights reserved.","author":{"name":"EunYoung","twitter":"#"},"disqusShortname":"","url":"https://ssongey.github.io"}},"markdownRemark":{"id":"160cecbd-4229-543f-96a9-6575bce79b84","html":"<p><span class=\"title__sub1\"> ■ Double Ampersand (&#x26;&#x26;) </span></p>\n<ul>\n<li>첫번째 명령이 <span class=\"text-mark__green\">정상 종료</span> 했을 경우 두번째 명령 수행</li>\n</ul>\n<p>\n  <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/devHistoryBlog/static/22210d8b9d2d6beb24bdeb169cd12fb2/c0388/001-01.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n  \n  <span\n    class=\"gatsby-resp-image-wrapper\"\n    style=\"position: relative; display: block;  max-width: 542px; margin-left: auto; margin-right: auto;\"\n  >\n    <span\n      class=\"gatsby-resp-image-background-image\"\n      style=\"padding-bottom: 20.833333333333336%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAECAYAAACOXx+WAAAACXBIWXMAABJ0AAASdAHeZh94AAAAu0lEQVQY02WQWQ6DMAxEOUpZylL2sCSBBAr9q6re/zZTO0itUD+ssSbW+DneNEvoqce6amy7hVQdpnlA0+YYZYt+qNH1NURXYhgb8gQp+w35lZs/vAZFmcCbjIQxI6xVmCkozULEiY8kDVxx/6vg30/904xnFg1DYQvp/lihNBOOaEXxJZFKOBom4V50lXtT6qBl+mt8cYu8mcIMUW6bwZ2Kw1/vpyPmr+BTrNXI86ujz24RaeT06MPTVR+Ysn2kz98hiQAAAABJRU5ErkJggg=='); background-size: cover; display: block;\"\n    >\n      <img\n        class=\"gatsby-resp-image-image\"\n        style=\"width: 100%; height: 100%; margin: 0; vertical-align: middle; position: absolute; top: 0; left: 0; box-shadow: inset 0px 0px 0px 400px white;\"\n        alt=\"001 01\"\n        title=\"\"\n        src=\"/devHistoryBlog/static/22210d8b9d2d6beb24bdeb169cd12fb2/c0388/001-01.png\"\n        srcset=\"/devHistoryBlog/static/22210d8b9d2d6beb24bdeb169cd12fb2/8ff5a/001-01.png 240w,\n/devHistoryBlog/static/22210d8b9d2d6beb24bdeb169cd12fb2/e85cb/001-01.png 480w,\n/devHistoryBlog/static/22210d8b9d2d6beb24bdeb169cd12fb2/c0388/001-01.png 542w\"\n        sizes=\"(max-width: 542px) 100vw, 542px\"\n      />\n    </span>\n  </span>\n  \n  </a>\n    </p>\n<p><span class=\"title__sub1\"> ■ Double Vertical Bar (||) </span></p>\n<ul>\n<li>첫번째 명령이 <span class=\"text-mark__green\">에러</span> 일 경우 두번째 명령어 수행</li>\n</ul>\n<p>\n  <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/devHistoryBlog/static/6478f6305036b7db497650824d24ea6a/3ddad/001-02.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n  \n  <span\n    class=\"gatsby-resp-image-wrapper\"\n    style=\"position: relative; display: block;  max-width: 545px; margin-left: auto; margin-right: auto;\"\n  >\n    <span\n      class=\"gatsby-resp-image-background-image\"\n      style=\"padding-bottom: 20%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAECAYAAACOXx+WAAAACXBIWXMAABJ0AAASdAHeZh94AAAAr0lEQVQY00WOQRKDIAxFPYrtVEEEEXVEBad24aK9/33SJJS6+MMPyX9JEaKHGGd4HgEOlBs0yoA2gr3pGpQE26tUG4k9Cb1r+W8YDXvnNKi2gmIL8wV8RQ7REAFt3zKssw1Yq34ghGJNkATTDBbyziquCzcEBoi7h/fnhH1f0C9A/fM8MJwuIEi+dpw6BtLCWpQJ6NcJwx42hK7ryKGsRj1Y5Gm4Fjeo6vL/ZlGd+19zVnxzOx3NxQAAAABJRU5ErkJggg=='); background-size: cover; display: block;\"\n    >\n      <img\n        class=\"gatsby-resp-image-image\"\n        style=\"width: 100%; height: 100%; margin: 0; vertical-align: middle; position: absolute; top: 0; left: 0; box-shadow: inset 0px 0px 0px 400px white;\"\n        alt=\"001 02\"\n        title=\"\"\n        src=\"/devHistoryBlog/static/6478f6305036b7db497650824d24ea6a/3ddad/001-02.png\"\n        srcset=\"/devHistoryBlog/static/6478f6305036b7db497650824d24ea6a/8ff5a/001-02.png 240w,\n/devHistoryBlog/static/6478f6305036b7db497650824d24ea6a/e85cb/001-02.png 480w,\n/devHistoryBlog/static/6478f6305036b7db497650824d24ea6a/3ddad/001-02.png 545w\"\n        sizes=\"(max-width: 545px) 100vw, 545px\"\n      />\n    </span>\n  </span>\n  \n  </a>\n    </p>\n<p><span class=\"title__sub1\">■ Pipe (|)</span></p>\n<ul>\n<li>첫번째 명령어 결과를 사용하여 두번째 명령어 수행</li>\n</ul>\n<p>\n  <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/devHistoryBlog/static/68813033d8e7bae6013c56801171b352/a1aa0/001-03.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n  \n  <span\n    class=\"gatsby-resp-image-wrapper\"\n    style=\"position: relative; display: block;  max-width: 533px; margin-left: auto; margin-right: auto;\"\n  >\n    <span\n      class=\"gatsby-resp-image-background-image\"\n      style=\"padding-bottom: 20.833333333333336%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAECAYAAACOXx+WAAAACXBIWXMAABJ0AAASdAHeZh94AAAAw0lEQVQY00WP/Q6CMAzEeRM/EkSBbWxzbA4BjWiM7/8+Z1uN/nHpLW1/txZ5iBinhHk+4bbMSMkhJo/ONvBHLbKuhaV3CAamq6F0hdB3NFOjj5340FtovUcxnBOmOQtwuV8J6H9A6xQBmi+wRasq8dxzXsNRnwM5ZFdtRASMOI8fTQRliDa1LCt9EM8QbQ6om1IC2DOUQVx5lmHVfotilN9lXK4DFjo50snP1wMjBYXewHqFnIMslbv1X+Xq6z+VYQx9AzjYfalgRI+CAAAAAElFTkSuQmCC'); background-size: cover; display: block;\"\n    >\n      <img\n        class=\"gatsby-resp-image-image\"\n        style=\"width: 100%; height: 100%; margin: 0; vertical-align: middle; position: absolute; top: 0; left: 0; box-shadow: inset 0px 0px 0px 400px white;\"\n        alt=\"001 03\"\n        title=\"\"\n        src=\"/devHistoryBlog/static/68813033d8e7bae6013c56801171b352/a1aa0/001-03.png\"\n        srcset=\"/devHistoryBlog/static/68813033d8e7bae6013c56801171b352/8ff5a/001-03.png 240w,\n/devHistoryBlog/static/68813033d8e7bae6013c56801171b352/e85cb/001-03.png 480w,\n/devHistoryBlog/static/68813033d8e7bae6013c56801171b352/a1aa0/001-03.png 533w\"\n        sizes=\"(max-width: 533px) 100vw, 533px\"\n      />\n    </span>\n  </span>\n  \n  </a>\n    </p>\n<p><span class=\"title__sub1\">■ Semicolon (;)</span></p>\n<ul>\n<li>한 라인에서 여러 명령어를 수행할때 사용</li>\n<li>순차적으로 수행하며, <span class=\"text-mark__green\">오류가 발생하더라도 다음 명령어는 계속 수행</span>된다.</li>\n</ul>\n<p>\n  <a\n    class=\"gatsby-resp-image-link\"\n    href=\"/devHistoryBlog/static/b51f4b95340bc2c1735b2d7a753dd762/89a37/001-04.png\"\n    style=\"display: block\"\n    target=\"_blank\"\n    rel=\"noopener\"\n  >\n  \n  <span\n    class=\"gatsby-resp-image-wrapper\"\n    style=\"position: relative; display: block;  max-width: 532px; margin-left: auto; margin-right: auto;\"\n  >\n    <span\n      class=\"gatsby-resp-image-background-image\"\n      style=\"padding-bottom: 24.166666666666664%; position: relative; bottom: 0; left: 0; background-image: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAFCAYAAABFA8wzAAAACXBIWXMAABJ0AAASdAHeZh94AAAA20lEQVQY021QW5KEIBDjJvsaFRXwASgiolW7979StpupmY+p+Uh1oOl0goi7B+P370Q6VuILwmZh3UDVYbYGyzqX8xYdhrGjO401zHB+RIy+cJ4xpoU4jkBCAUcOGKcet+oDdfP1Fo38RlV/vr2X7U+p4rx25LyRwwvM2ZVfJkyzhvUDVUXuTFmmjaTeSFyVyuAE3GvkXVjsacGeVlwk5kggn5HEM0KwRZx7vEjpBl1flVjMzdASOmgt0av66VbwAP9NSgEbCbALRY94oO1u9Oge5zHAkV/xiM34B+oamyzaX7T3AAAAAElFTkSuQmCC'); background-size: cover; display: block;\"\n    >\n      <img\n        class=\"gatsby-resp-image-image\"\n        style=\"width: 100%; height: 100%; margin: 0; vertical-align: middle; position: absolute; top: 0; left: 0; box-shadow: inset 0px 0px 0px 400px white;\"\n        alt=\"001 04\"\n        title=\"\"\n        src=\"/devHistoryBlog/static/b51f4b95340bc2c1735b2d7a753dd762/89a37/001-04.png\"\n        srcset=\"/devHistoryBlog/static/b51f4b95340bc2c1735b2d7a753dd762/8ff5a/001-04.png 240w,\n/devHistoryBlog/static/b51f4b95340bc2c1735b2d7a753dd762/e85cb/001-04.png 480w,\n/devHistoryBlog/static/b51f4b95340bc2c1735b2d7a753dd762/89a37/001-04.png 532w\"\n        sizes=\"(max-width: 532px) 100vw, 532px\"\n      />\n    </span>\n  </span>\n  \n  </a>\n    </p>","fields":{"tagSlugs":["/tags/linux-command/"],"slug":"/history/posts/2021-02-19--001"},"frontmatter":{"title":"linux 다중명령어 차이점 (&& || ; |)","tags":["linux-command"],"date":"2021-02-19","description":""}}},"pageContext":{"slug":"/history/posts/2021-02-19--001"}},"staticQueryHashes":[]}