Updating the locate database | LinuC Level 1 101 Exam original practice question

1.02.4Basic

A newly placed file is not yet returned by locate.

Refresh the system pathname database.

Which command performs this role?

Hint 1: Focus on the requirement

Separate the command that refreshes the index from the command that queries it.

Hint 2: Key terms

Review the short search and filesystem-placement definitions before comparing the choices.

Detailed explanation

Correctupdatedb

Correct. updatedb rebuilds the database used by locate.

Incorrectlocate

Incorrect. locate only queries the existing database.

Incorrectwhereis

Incorrect. whereis searches standard command locations.

Incorrectwhich

Incorrect. which searches PATH.

An example you can run in a temporary verification environment.

updatedb --help 2>/dev/null | sed -n '1,2p' || true

updatedbが導入済みなら使用法。データベース更新は実行しない

Environment: Linux / updatedb実装が導入済みの場合 / helpのみ
Use read-only lookups or disposable paths when verifying search behavior.
Distribution-specific defaults should be checked before changing system configuration.

Foundation review

A new file becomes searchable by locate only after the next database refresh includes it.

Refresh indexes under the system's normal privilege and scheduling policy rather than ad hoc in production.

Question IDKL-101-422

EnvironmentLinux / updatedb実装が導入済みの場合 / helpのみ

Last technical review2026-08-13

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