|
Apr 17 2008, 10:00 AM EDT
|
|
|
edit |
8 words added
2 words deleted
1 image added
|
|
Change: repair one filesystem at a time.JournalingMetadata includes: file creation date; last file modification date; ownership (group and user), permissions, file size, file locationJournaling helps maintain integrity of system if file is being written during a crash.Before making a file change journaling
View changes from previous version.
(Word count: 930)
|
|
Apr 17 2008, 9:54 AM EDT
|
|
|
edit |
215 words added
3 images added
|
|
Change: If the crash occurs during a disk write, the journal entry remains to indicate impending change so that upon successful reboot the entry is read and either the change is executed or rolled back to a previous statePerformance Issuesrecovery time after failurebitmap tracking of the filesystemfragmentation
View changes from previous version.
(Word count: 924)
|
|
Apr 17 2008, 9:29 AM EDT
|
|
|
edit |
193 words added
1 image added
|
|
Change: System performance is improved because disk writes aren't executed until required. Multiple read requests to the same block are served by RAM. An update utility consistentantly flushes the dirty buffers to disk to help prevent damage to data in the event of system disruption.shutdown - synchronizes
View changes from previous version.
(Word count: 710)
|
|
Apr 14 2008, 9:05 AM EDT
|
|
|
edit |
37 words added
9 words deleted
|
|
Change: unmounted at shutdown.HeadingFunctionshutdown, it is automatically created or updated.Directory Creationmkdir [dirname] - command for creating directories. The dirname can include a path to another location. You may include multiple dirnames in one command to create multiple directories. <mount point> <type> <options> <dump> <pass>
View changes from previous version.
(Word count: 516)
|
|
Apr 10 2008, 2:32 PM EDT
|
|
|
edit |
23 words added
|
|
Change: and make an ISO image of the files using mkisofs and burn the CD using cdrecordAutomated mounting use /etc/fstab to list file systems to be mounted during boot and unmounted at shutdown.HeadingFunction <mount point> <type> <options> <dump> <pass>
View changes from previous version.
(Word count: 489)
|
|
Apr 10 2008, 2:22 PM EDT
|
|
|
edit |
32 words added
1 image added
|
|
Change: mountnvram lets you view and change values stored in non-volatile memory (requires 2.1x kernel with /dev/nram support) To burn a CD on a mounted CD-R create a directory for the files and make an ISO image of the files using mkisofs and burn the CD using cdrecordAutomated mounting
View changes from previous version.
(Word count: 465)
|
|
Apr 10 2008, 2:17 PM EDT
|
|
|
edit |
15 words added
|
|
Change: volumes (if you are using a directory on a mounted file system you cannot unmount it)Mounting DOSmount -t msdos Create a directory in /mnt for each device you will mountnvram lets you view and change values stored in non-volatile memory (requires 2.1x kernel with /dev/nram support)
View changes from previous version.
(Word count: 432)
|
|
Apr 10 2008, 2:06 PM EDT
|
|
|
edit |
56 words added
|
|
Change: without options will display the device, mount point, type and whether it is read-write or read-only.unmount is used to unmount volumesMounting DOSmount -t msdos Create a directory in /mnt for each device you will mountnvram lets you view and change values
View changes from previous version.
(Word count: 417)
|
|
Apr 10 2008, 12:26 PM EDT
|
|
|
edit |
126 words added
|
|
Change: reiserfs - Treats partition as one database, a balanced tree is used to store directories, files and metadata (which are stored near each other for rapid access)Filesystem InfoAll filesystems must be mounted before they are available using syntax: [device] [mountpoint]The mount command attaches
View changes from previous version.
(Word count: 356)
|
|
Apr 10 2008, 12:01 PM EDT
|
|
|
edit |
6 words added
1 image added
|
|
Change: -laPrints out regular and hidden files in the directoryWildcardsMetacharacterAction*Matches any or no character?Matches single characterSet [ ]Matches single characterRange [ - ]Matches any single charcter in defined rangeManaging Files and Directories The default Linux filesystem is ext3
View changes from previous version.
(Word count: 231)
|
|
Apr 10 2008, 10:41 AM EDT
|
|
|
edit |
34 words added
1 image added
|
|
Change: but not contentsls -laPrints out regular and hidden files in the directory WildcardsMetacharacterAction*Matches any or no character?Matches single characterSet [ ]Matches single characterRange [ - ]Matches any single charcter in defined rangeManaging Files and Directories
View changes from previous version.
(Word count: 225)
|
|
Apr 8 2008, 9:35 AM EDT
|
|
|
edit |
133 words added
|
|
Change: You are placed in your home directory by defaultThe current working directory is represented by a periodThe parent directory is represented by a double-periodChanging Directories using CDCD alone returns to home directoryCD [pathname] takes you to specified pathCD ~ [pathname] takes you
View changes from previous version.
(Word count: 198)
|
|
Apr 8 2008, 8:11 AM EDT
|
|
|
edit |
47 words added
|
|
Change: ShellBasic Commands Command What It Does ls lists files and directories cd moves through directory structure mv moves files and directories cp copies a file rm Deletes files and directories touch changes access or modification to a file mkdir creates directoriesAll objects in Linux are seen as files
View changes from previous version.
(Word count: 65)
|
|
Apr 7 2008, 3:30 PM EDT
|
|
|
edit |
7 words added
1 image added
|
|
Change: Target GoalsNavigate the filesystemManage the filesystemMaintain the filesystem Navigating in the Linux ShellBasic Commands
View changes from previous version.
(Word count: 18)
|
|
Apr 7 2008, 2:55 PM EDT
|
|
|
edit |
11 words added
1 image added
|
|
Change: Target GoalsNavigate the filesystemManage the filesystemMaintain the filesystem
View changes from previous version.
(Word count: 11)
|
|
Apr 7 2008, 2:46 PM EDT
|
|
|
rename |
No content added or deleted. |
|
Change: Renamed from Section 3: Users and Groups by Apr 7 2008, 2:46 PM EDT for: Rename
|
|
Apr 7 2008, 2:42 PM EDT
|
|
|
create |
No content added or deleted. |
|
Change: Created by Apr 7 2008, 2:42 PM EDT for: no reason given
|