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Every command in bash returns an exit status, which is an integer between 0 and 255 that represents whether the command succeeded or failed, and if it 阅读全文
posted @ 2021-02-08 21:39
Zhentiw
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Chmod ## Create a file vim script.sh ## output some content echo "Hello World" ## Run the script ./script.sh It ouput permission denied: ./script.sh. 阅读全文
posted @ 2021-02-08 21:23
Zhentiw
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Create a script See Chmod.md, how to create a sh file and modify premisson to exec mode. Parameters Paramters are referred by $1, $2.... For example: 阅读全文
posted @ 2021-02-08 21:22
Zhentiw
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Open folder When you want to open a folder in Finder, for example your current folder: open . open .git ## you can open the hidden folder Create folde 阅读全文
posted @ 2021-02-08 20:51
Zhentiw
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Viewing file Viewing the whole file: cat package.json Viewing the whole file with line number cat -n package.json Viewing the file with pagination les 阅读全文
posted @ 2021-02-08 16:47
Zhentiw
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