Unverified50% confidenceFactExact time

bash 默认保存最近 500-2000 条命令历史（取决于 HISTSIZE 和 HISTFILESIZE 配置），zsh 默认保存 1000 条

1

Sources

50%

Confidence

Long-term

Relevance

8/18/2026

First Seen

Sources

Laptops: The Last Bastion of Plaintext Secrets

Related Claims

UnverifiedPrepending a space to a command can prevent it from being recorded in the history file via the HISTCONTROL=ignorespace option.50% similar

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