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Linux command dialog 【Purpose】 Learning how to use dialog commad, do man-machine interaction. 【Eevironment】 Ubuntu 16.04 terminal 【Procdeure】 Source c 阅读全文
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example: download_etcher_cli(){ local url="https://github.com/resin-io/etcher/releases/download/v1.4.4/etcher-cli-1.4.4-linux-x64.tar.gz" local hash=" 阅读全文
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Shell script prompt to run with superuser privileges 【Purpose】 Check whether have root privileges to run script 【Eevironment】 Ubuntu 16.04 bash env 【P 阅读全文
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Shell get script absolute path 【Purpose】 Get shell script absolute path 【Eevironment】 Ubuntu 16.04 bash env 【Procdeure】 Source code: Test method: vmus 阅读全文
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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
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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
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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
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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
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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