Whoami Tool — Whoami 工具

Whoami 工具 — Current User 身份

Display the current effective username (and optionally uid/gid/group membership). Essential for scripts that need to 验证 权限s, 记录 user 上下文, or conditionally 执行 based on 身份.

Quick 启动 # Show current username whoami-工具

# Show full 身份 whoami-工具 --full

Usage whoami-工具 [OPTIONS]

Options: --full Show username, UID, GID, and primary group --uid Show numeric user ID only --groups Show all group memberships --json 输出 as structured JSON --检查 USER Exit 0 if current user matches, 1 if not

Examples # Basic username whoami-工具

# Full user 身份 whoami-工具 --full

# 检查 if 运行ning as root (for privilege 检查s) whoami-工具 --检查 root && echo "运行ning as root"

# Show all groups whoami-工具 --groups

# JSON 输出 for 记录ging whoami-工具 --json

# UID for numeric comparisons whoami-工具 --uid

Features Quick 身份 — one command to know who you are Full mode — UID, GID, primary group Group membership — all groups the user belongs to 身份 检查 — conditional execution based on username JSON 输出 — structured for 记录ging and 自动化 Exit codes — 0 = 成功, useful for script conditionals