quota
Display users' disk space usage and allocated limits. tldr-pages
On several platforms
Several platforms
Show disk quotas in human-readable units for the current user
quota --human-readableIdentifyDisplay disk quotas verbosely (also display quotas on filesystems where no storage is allocated)
quota --verboseIdentifyDisplay disk quotas quietly (only display quotas on filesystems where usage is over quota)
quota --quietIdentifyPrint quotas for the groups of which the current user is a member
quota --groupIdentifyShow disk quotas for another user
sudo quota --user usernameIdentify