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Create, edit change ownership

Types of limits that an administrator can set limits on the number of files and directories users can create Hard and Soft limit
Edit quota options in: /etc/fstab
Implements quotas for users (/etc/fstab) userquota
implements quotas for group grpquota
Create quota files (in directory where the partition is mounted) aguota.user aguota.group
Command to create the aguota.user and aquopta.group files (after placing entries in /etc/fstab) quotacheck -mavug
quotacheck Options:Updates the quota database even if other processes are running on the filesystem -m
quotacheck Options: Updates the quota database -a
quotacheck Options: Verbose mode -v
quotacheck Options: Run the database for users and groups -u and -g
Enables quotas for the mounted filesystem quotaon
Enables all mounted filesystems in /etc/mtab quotaon -a
Disable quotas for the mounted filesystem quotaoff
Display a summary of disc usage and quotas for the specified filesystem – number of files - used space by user repquota
repquota Options: Print all quotas even if there is no usage repquota -v
repquota Options: Does not resolve user and group names to speed printing repquota -n
repquota Options: Reports for user and group repquota -u -g
repquota Options: Gives info for all filesystems listed in /etc/mtab repquota -a
Open and edit a user’s quota, a group quota or change a grace period edquota
edquota Options: Change the users quota edquota -u
edquota Options: change the groups quota edquota -g
edquota Options: change the grace period edquota -t
Display the current user’s quota quota
quota Options: Show current usage, the hard and soft quota for blocks and inodes quota -v
quota Options: Show the quota for a user quota -u
quota Options: Show the quota for a group quota -g
Change ownership of a file or directory chown
Change ownership recursively chown -R
Change file ownership only chown user
Change user and group ownership chown user:group
Change the group ownership only chown :group
To change the group ownership for the /hr/personnel file to mgmt – use any of the following to change group ownership of the file to mgmt1 chgrp mgmt1 /hr/personnel chown .mgmt1 /hr/personnel chown :mgmt1 /hr/personnel
Assign user ownership to bcassini and group ownership to the hr group of the /hr directory and all its sub-directories and files chown –R bcassini:hr /hr
To change the owner and group of a file or directory with one command using chown chown jonadream.users /tmp/schedule.txt
Created by: johnadream