Displaying the open-file limit | LinuC Level 1 102 Exam original practice question

1.10.1Basic

Display the per-process open-file-descriptor limit inherited by the current Bash and child processes.

Which command is appropriate?

Hint 1: Focus on the requirement

Separate the scope and side effects of the concepts before comparing the choices.

Hint 2: Key terms

Review the short definitions of the command, configuration, and security concepts involved.

ulimit: A feature for managing resource limits applied to shells and processes.
open-file descriptor limit: The maximum number of file descriptors one process may open.
process-count limit: The maximum number of processes a user may create.
virtual-memory limit: The maximum virtual memory available to one process.
core-dump limit: The maximum size that may be written to a core-dump file.

Detailed explanation

Correctulimit -n

Correct. -n selects the open-file limit.

Incorrectulimit -u

Incorrect. -u selects maximum user processes.

Incorrectulimit -v

Incorrect. -v selects virtual memory.

Incorrectulimit -c

Incorrect. -c selects core-dump size.

An example you can run in a temporary verification environment.

bash -c 'ulimit -n'

現在のopen file descriptor上限を表す整数

Foundation review

A mode bit controlling read, write, execute, or special execution behavior.

Attributes that determine whether a password or login account can be used.

A per-process or per-user ceiling such as open files or process count.

Question IDKL-102-1127

EnvironmentBash 5.x / limit参照のみ

Last technical review2026-08-13

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