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