彻底删除敏感文件方法

Linux删除文件终极指南：安全彻底删除与恢复技巧，告别误删烦恼

rm filename.txt rm -r directory_name/ -rwxr-xr-- 1 user group 2048 May 20 10:30 example.txt ls -la ~/.local/share/Trash/files/ cp ~/.local/share/Trash/files/important_doc.txt ~/Documents/ shred -v confidential.pdf shred -n 7 -z -u secret_document.txt alias rm=...