{"action":"opened","issue":{"url":"https://api.github.com/repos/cosyer/linux-learning/issues/12","repository_url":"https://api.github.com/repos/cosyer/linux-learning","labels_url":"https://api.github.com/repos/cosyer/linux-learning/issues/12/labels{/name}","comments_url":"https://api.github.com/repos/cosyer/linux-learning/issues/12/comments","events_url":"https://api.github.com/repos/cosyer/linux-learning/issues/12/events","html_url":"https://github.com/cosyer/linux-learning/issues/12","id":385583018,"node_id":"MDU6SXNzdWUzODU1ODMwMTg=","number":12,"title":"linux命令：less","user":{"login":"cosyer","id":19321324,"node_id":"MDQ6VXNlcjE5MzIxMzI0","avatar_url":"https://avatars3.githubusercontent.com/u/19321324?v=4","gravatar_id":"","url":"https://api.github.com/users/cosyer","html_url":"https://github.com/cosyer","followers_url":"https://api.github.com/users/cosyer/followers","following_url":"https://api.github.com/users/cosyer/following{/other_user}","gists_url":"https://api.github.com/users/cosyer/gists{/gist_id}","starred_url":"https://api.github.com/users/cosyer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/cosyer/subscriptions","organizations_url":"https://api.github.com/users/cosyer/orgs","repos_url":"https://api.github.com/users/cosyer/repos","events_url":"https://api.github.com/users/cosyer/events{/privacy}","received_events_url":"https://api.github.com/users/cosyer/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-11-29T06:03:32Z","updated_at":"2018-11-29T06:03:32Z","closed_at":null,"author_association":"OWNER","body":"# day 12 - linux 命令 : `less`\r\n`less` 类似 `more`。\r\n\r\n`less` 不同的是允许用户向前或向后浏览文件，而 `more` 命令只能向前浏览\r\n\r\n## 语法\r\n```\r\nless [选项] 文件……\r\n```\r\n## 选项\r\n* `-N`：每行行首显示行号\r\n* `-s`：将连续多个空行压缩成一行显示\r\n\r\n## 实例\r\n* 显示行号\r\n  `less -N a.log`"}}
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