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Mkfs File Systems

File System management

QuestionAnswer
mkfs Options: Determine the filesystem type mkfs -t file_system_type
Identical to mkfs -t ext2 mkfs.ext2
mkfs Options: Specifies the block size values of 1024, 2148, and 4096 mkfs -b
mkfs Options: Append a journal to an ext2 file system mkfs -j
mkfs Options: Determine how many inodes are on the partition (same values as for blocks) mkfs -i
mke2fs Options: Block size mke2fs -b
mke2fs Options: Create a file system with an ext3 journal mke2fs -j
mke2fs Options: Sets the volume label for the file system mke2fs -L
mke2fs Options: Displays what mke2fs would do if it created a file system – but does not actually create it mke2fs -n
mke2fs Options: Specify the file system type mke2fs -t
Use one of the following to create an ext4 file system on the 1st partition of the 2nd hard disk drive. • mkfs.ext4 /dev/sdb1 • mke2fs –t ext4 /dev/sdb1 • mkfs –t ext4 /dev/sdb1
Location on hard drive where OS writes memory when it runs out of RAM Swap partition
Command to create a swap partition mkswap
Specify all swap partitions listed in /etc/fstab file swapon -a swapoff -a
Still used for smaller boot partitions and removable disks smaller than 1G ext2
Has Journaling which can cope with system crashes and power outages = improved reliability ext3
Has disk sizes up to 1 exabyte and files up to 16 terabytes. Gives better performance than ext3 ext4
Journaling file system Ideal for maintaining large number of smaller file – data corruption can occur if power goes out during synchronization and defragmentation is not available Reiserfs
Filesystem created by IBM for its AIX OS Journaled File System (JFS)
Filesystem created by Silicon Graphics - known for technical sophistication, robustness, speed, smooth data transfers, and flexibility XFS (Extended File System)
Filesystem that handles large disks and files (up to 16 exbibytes file size) - considered one of the best modern filesystems Btrfs
Oldest filesystem – Windows NT, 2000, XP, Vista and Windows 8 – no journaling FAT (File Allocation Table) vfat is a FAT32 (no Journaling) - long name support
Filesystem mostly used by Apple’s Mac OS HFS (Hierarchical File System)
Standard filesystem for CD-ROM discs ISO-9660
A long name support filesystem that is an extension of ISO-9660 Joliet
Latest generation filesystem for optical discs – DVD-ROMS UDF (Universal Disk Format)
Created by: johnadream