~/.bash_history 裡面紀錄的是上一次登出的歷史紀錄 (默認保存1000條)
查看目前保留配置
echo $HISTSIZE修改環境變量 (永久配置)
sed -i 's/^HISTSIZE=1000/HISTSIZE=100000/' /etc/profile
source /etc/profile- link: https://note.laurance.eu.org/2022/12/10/Linux-history命令保存的最大數/
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