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摘要: Shell args handing key=value example 【Purpose】 Learning how to handing ker=value args 【Eevironment】 Ubuntu 16.04 bash env 【Procdeure】 Source code: Tes 阅读全文
posted @ 2019-01-24 14:05 嵌入式实操 阅读(201) 评论(0) 推荐(0) 编辑
摘要: Linux command grep 【Purpose】 Learning how to use grep commad, we will introduce three methods. 【Eevironment】 Ubuntu 16.04 terminal 【Procdeure】 example 阅读全文
posted @ 2019-01-24 13:55 嵌入式实操 阅读(321) 评论(0) 推荐(0) 编辑
摘要: Linux command wc 【Purpose】 Learning how to statistics line numbers in file 【Eevironment】 Ubuntu 16.04 terminal 【Procdeure】 $ cat test.sh #!/bin/bash e 阅读全文
posted @ 2019-01-24 13:52 嵌入式实操 阅读(241) 评论(0) 推荐(0) 编辑
摘要: Shell built-in variables 【Purpose】 Learning shell built-in variables, example $0,$1,$2,$3,$#,$$,$*,$@,$-,$? 【Eevironment】 Ubuntu 16.04 bash env 【Procd 阅读全文
posted @ 2019-01-24 13:41 嵌入式实操 阅读(250) 评论(0) 推荐(0) 编辑
摘要: Uboot: make ARCH=arm CROSS_COMPILE=${CC} distclean make ARCH=arm CROSS_COMPILE=${CC} am335x_evm_defconfig make ARCH=arm CROSS_COMPILE=${CC} Kernel: ma 阅读全文
posted @ 2019-01-24 09:08 嵌入式实操 阅读(163) 评论(0) 推荐(0) 编辑
摘要: kernel;jenkins; 阅读全文
posted @ 2019-01-23 08:56 嵌入式实操 阅读(286) 评论(0) 推荐(0) 编辑
摘要: Message Queues Semaphores Shared Memory 阅读全文
posted @ 2019-01-22 15:16 嵌入式实操 阅读(232) 评论(0) 推荐(0) 编辑
摘要: In Linux, a pipe is implemented using two filedata structures which both point at the same temporary VFS inode which itself points at a physical page 阅读全文
posted @ 2019-01-22 15:05 嵌入式实操 阅读(221) 评论(0) 推荐(0) 编辑
摘要: When the system starts up it is running in kernel mode and there is, in a sense, only one process, the initial process. Like all processes, the initia 阅读全文
posted @ 2019-01-22 14:50 嵌入式实操 阅读(274) 评论(0) 推荐(0) 编辑
摘要: Linux, like all Unix uses user and group identifiers to check for access rights to files and images in the system. All of the files in a Linux system 阅读全文
posted @ 2019-01-22 14:21 嵌入式实操 阅读(135) 评论(0) 推荐(0) 编辑
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