05 2020 档案
摘要：$ echo hengwei-2018 > a.txt $ echo hengwei_2019 >> a.txt # 1 $ for line in `cat a.txt`; do echo $line; done hengwei-2018 hengwei_2019 # 2 $ while read
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摘要：#查看配置 echo $PS1 #修改配置: 删除@cloushell和\w export PS1='\[\e]0;${DEVSHELL_PROJECT_ID:-Cloud Shell}\a\]\u:\[\033[1;34m\]$([[ -n $DEVSHELL_PROJECT_ID ]] && p
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摘要：1. cat ~/.bash_history 2. history -w /dev/stdout 3. history | cut -c 8- 4. fc -l -n 1 | sed 's/^\s*//' 5. history|awk '{$1="";print substr($0,2)}'
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