$ curl cheat.sh/
# quota
# Display users' disk space usage and allocated limits.
# More information: <https://manned.org/quota>.

# Show disk quotas in human-readable units for the current user:
quota -s

# Verbose output (also display quotas on filesystems where no storage is allocated):
quota -v

# Quiet output (only display quotas on filesystems where usage is over quota):
quota -q

# Print quotas for the groups of which the current user is a member:
quota -g

# Show disk quotas for another user:
sudo quota -u username

$
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