File System management
Help!
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| mkfs Options: Determine the filesystem type | mkfs -t file_system_type
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| Identical to mkfs -t ext2 | mkfs.ext2
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| mkfs Options: Specifies the block size values of 1024, 2148, and 4096 | mkfs -b
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| mkfs Options: Append a journal to an ext2 file system | mkfs -j
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| mkfs Options: Determine how many inodes are on the partition (same values as for blocks) | mkfs -i
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| mke2fs Options: Block size | mke2fs -b
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| mke2fs Options: Create a file system with an ext3 journal | mke2fs -j
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| mke2fs Options: Sets the volume label for the file system | mke2fs -L
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| mke2fs Options: Displays what mke2fs would do if it created a file system – but does not actually create it | mke2fs -n
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| mke2fs Options: Specify the file system type | mke2fs -t
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| 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
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| Location on hard drive where OS writes memory when it runs out of RAM | Swap partition
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| Command to create a swap partition | mkswap
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| Specify all swap partitions listed in /etc/fstab file | swapon -a
swapoff -a
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| Still used for smaller boot partitions and removable disks smaller than 1G | ext2
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| Has Journaling which can cope with system crashes and power outages = improved reliability | ext3
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| Has disk sizes up to 1 exabyte and files up to 16 terabytes. Gives better performance than ext3 | ext4
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| 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
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| Filesystem created by IBM for its AIX OS | Journaled File System (JFS)
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| Filesystem created by Silicon Graphics - known for technical sophistication, robustness, speed, smooth data transfers, and flexibility | XFS (Extended File System)
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| Filesystem that handles large disks and files (up to 16 exbibytes file size) - considered one of the best modern filesystems | Btrfs
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| 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
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| Filesystem mostly used by Apple’s Mac OS | HFS (Hierarchical File System)
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| Standard filesystem for CD-ROM discs | ISO-9660
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| A long name support filesystem that is an extension of ISO-9660 | Joliet
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| Latest generation filesystem for optical discs – DVD-ROMS | UDF (Universal Disk Format)
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