What does fsck mean in Linux?


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2013-12-06 19:25:19
2013-12-06 19:25:19

fsck (means "file system check").

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fsck /dev/(device) or fsck (mountpoint) to check one disk fsck -A to check all disks

Fsck - album - was created in 1997.

Depends on the filesystem in use. For the most part, fsck will be able to use a wide variety of filesystems.

You need root privileges, and it's often best not to use fsck on a live (mounted.) filesystem. Also you'll need to know the device file and, in some cases, the filesystem of the partition you're working on. The command is thusly: # fsck /dev/sdXY In most cases the fsck command will figure out what the filesystem is and run the appropriate filesystem checker.

tune2fs is used to adjust characterisitics of an ext2/3/4 partition, such as number of mount times before forced fsck, change the mount times counter, and set kernel responeses to errors.

utilities is nothing but predefined commands in linux

The same as in pretty much any other Linux or Unix distribution.NOTE: If you wish to repair a file system, it is recommended that you dismount it first (umm, strongly recommended, in fact).Switch user to root and issue the fsck command (dismounting the file system first if disk repairs are intended) passing the pathname of the device to be checked (and optionally repaired) with the fsck command.Most implementations of fsck include command line interface switches that permit interactive repair or automatic repair of file systems, depending on the user's knowledge levels or personal preferences. If you aren't familiar with the particulars of file system repairs on the file system to be checked, it is recommended that fsck be allowed to make it's repairs automatically.Lastly, if the file system was dismounted before fsck was run, remount file system on desired mount point and use as desired.

Linux is just the kernel. If you combine utilities that were made as a result of the GNU project with the linux kernel, you get GNU Linux, which is considered as a complete operating system

Linus Torvalds, born in Helsinki, Finland, created the Linux Kernel. So Linux is simply named after Linus Torvalds.

If you mean inventing the Linux Kernel, then it's Linus Torvalds. I

Exactly what the name says: It displays and sets the date on a Linux system.

no idea. i think it is a link to a pay site

Yes, you can. It's called dualbooting. I guess with Linux you mean a Linux Distribution like Ubuntu? Check the related link if you want to know how.

Linxu is just the kernel, but I know what you mean, the most popular GNU/Linux distribution is Ubuntu

It is usually an abbreviation for File System.

dc - an arbitrary precision calculator

Linux is an operating system much like Microsoft Windows is. What mounting on this system mean is an additional filesystem was attached to the existing filesystem.

Usually pronounced Fisk Disk, FSCK is a linux/unix software command used for file system checking. fsck [options] [filesystem] ... System administration command. Call the filesystem checker for the appropriate system type to check and repair unmounted filesystems. If a filesystem is consistent, the number of files, number of blocks used, and number of blocks free are reported. If a filesystem is inconsistent, fsck prompts before each correction is attempted. fsck's exit code can be interpreted as the sum of all conditions that apply: 1Errors were found and corrected. 2 Reboot suggested 4Errors were found but not corrected 8 fsckencountered an operational error 16 fsck was called incorrectly 128 A shared library error was detected -- Pass all subsequent options to filesystem-specific checker. All options that fsck doesn't recognize will also be passed -s Serial mode. Check one filesystem at a time -t fstype. Specify the filesystem type. Do not check filesystems of any other type -A Check all filesystems listed in /etc/fstab. The root filesystem is checked first -C Display completion (progress) bar -N Suppress normal execution; just display what would be done -PMeaningful only with -A: check root filesystem in parallel with other systems. This option is potentially dangerous -RMeaningful only with -A: check all filesystems listed in /etc/fstab except the root filesystem -T Suppress printing of title -V Verbose mode

The "lost+found" directory is created by fsck when it attempts to recover any corrupted or damaged files that could not be restored through the normal recovery method or journal playback. Depending on the content of the file and degree of corruption, it may or may not still contain data that can be recovered manually.

If by "Linux software" you mean the Linux kernel, it is made up of code submitted by thousands of contributors from all around the world. Linus Torvalds (creater of Linux) is the one who has the final say on what makes it into the final operating system. If you meant applications that run on Linux, there are hundreds of thousands of organizations that write software for Linux. A lot of it can be found in the Ubuntu Software Center

Linux Terminal Server Project

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