Which account has UID and GID of 0?

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Multiple Choice

Which account has UID and GID of 0?

Explanation:
In Unix-like systems, UID (user ID) and GID (group ID) are numeric identifiers assigned to each user and their primary group. The number 0 is reserved for the superuser, the account with unrestricted access. The root account is created with UID 0 and GID 0, so it is the one whose identifiers are both 0. Other accounts like admin, guest, or user have non-zero UIDs and non-zero GIDs, so they don’t match 0. You can confirm by checking with a command like id root, which would show uid=0(root) gid=0(root). This is why the correct account is the root.

In Unix-like systems, UID (user ID) and GID (group ID) are numeric identifiers assigned to each user and their primary group. The number 0 is reserved for the superuser, the account with unrestricted access. The root account is created with UID 0 and GID 0, so it is the one whose identifiers are both 0. Other accounts like admin, guest, or user have non-zero UIDs and non-zero GIDs, so they don’t match 0. You can confirm by checking with a command like id root, which would show uid=0(root) gid=0(root). This is why the correct account is the root.

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