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# Category:Security (简体中文)

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GNU/Linux通过用户和用户组进行访问控制。超级用户(root)对操作系统和系统配置享有完全的控制权，我们只应当在管理系统时使用它。无特权的普通用户可以使用su和sudo程序提升权限。

安全这个主题包含了广泛的内容。

## 相关类别

- Category:Internet applications (简体中文)
- Category:Networking (简体中文)

## Subcategories

This category has the following 10 subcategories, out of 10 total.

### A

- Access control (简体中文)
- Authentication (简体中文)

### C

- Cryptography (简体中文)

### E

- Encryption (简体中文)

### F

- Firewalls (简体中文)

### P

- Password managers (简体中文)
- Proxy servers (简体中文)

### S

- Sandboxing (简体中文)
- Secure Shell (简体中文)
- Surveillance (简体中文)

## Pages in category "Security (简体中文)"

The following 19 pages are in this category, out of 19 total.

### A

- Allow users to shutdown (简体中文)
- Arch Security Team (简体中文)

### C

- Capabilities (简体中文)
- ClamAV (简体中文)

### D

- Dm-crypt (简体中文)

### H

- Haveged (简体中文)

### M

- MAC address spoofing (简体中文)
- Microcode (简体中文)

### P

- Pacaudit (简体中文)
- PAM (简体中文)
- Polkit (简体中文)
- PRoot (简体中文)

### R

- Reset lost root password (简体中文)
- Router (简体中文)

### S

- Security (简体中文)
- Su (简体中文)
- Sudo (简体中文)

### U

- Users and groups (简体中文)

### W

- Wireshark (简体中文)

Category:

- System administration (简体中文)