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# Linux quotacheck Command [ Linux Command Manual](#) The Linux quotacheck command is used to check disk usage and limits. Executing the quotacheck command scans the partitions mounted on the system and generates quota.user and quota.group files in the root directory of each partition's file system, setting disk space limits for users and groups. ### Syntax quotacheck [filesystem...] **Parameters**: * -a Scan partitions in the /etc/fstab file that have quota settings enabled. * -d Display detailed command execution process, useful for debugging or understanding program execution. * -g When scanning disk space, calculate the number of directories and files occupied by each group ID. * -R Exclude the partition where the root directory is located. * -u When scanning disk space, calculate the number of directories and files occupied by each user ID. * -v Display the command execution process. [ Linux Command Manual](#)