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Commands to create file systems
mkfs creates and ext 2,3,4, partition
mkfs.ext2 creates and ext2 partition
mkfs.ext3 creates ext3 parttition
mkfs.ext4 creates an ext4 partition
online file system maintenance
The ability to roll back ext file systems
Creating a Swap
mkswap creates a swp device
swapon enables a swap space
swapoff Disables a swap space
dd Wipes or zeroes out an area of the disk
Mounting a File System
Mount mounts a file system
unmount Unmounts a file system
Linux Unified Key Setup
Types of Encryptions
File Systems Qutas
Security Setting up ACL
is open source file encryption software
Automated File System
Difference between ext2 and ext3
ext3 file system has journaling built into it ext2 file doesnt
file system creation
file system Growth
superblock is a structure that contains metadata of the file system
what is a Swap file? isit created a partition or device file?
A swap file is scratch space on your file systemused as virtual memory. A swap can be created as a partition or device file.
check current mounted file system
mount file system at Boot
the /etc/fstab file
Before working with qutas, what do you need to do the file system?
The file system must be mounted with the usrquota and grpquota
what command do you use to change the permissions on a file or directory? To change ownership?
chmod command is used to chnage permissions, chown command is used to chnage the ownership of the files and directories.
Soft and hard limits is quotas
Soft limits acts as a alarm, signaling you when you are reaching your limits. A hard limits is required only when a grace period exists.
command to report information on quota usage
Before you work with ACL's what do you need to do with file system.
The file system where ACL's will be implemented must be mounted with the ac1 option before ACL's will work properly.
Command to use to view Current ACL's on the file?
File system Setup