【05】操作系统

taotao19131 · Sep 27, 2018 · bd3140b · bd3140b
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diff --git a/05 - OS (linux)/log.md b/05 - OS (linux)/log.md
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+cat error.log | grep -C 5 'nick' 显示file文件里匹配nick字串那行以及上下5行
+cat error.log | grep -B 5 'nick' 显示nick及前5行
+cat error.log | grep -A 5 'nick' 显示nick及后5行