diff -r f815b45ff86c -r d647f27b5553 fs.rst --- a/fs.rst Sat Jan 07 15:02:59 2012 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,133 +0,0 @@ --*- mode:outline; coding: utf-8 -*- - -* Make label on FAT32 volume. - -The volume name can be up to 11 characters long. - - $ sudo mlabel -i /dev/ ::my-label - -or when create FAT32 file system: - - $ sudo mkdosfs -n /dev/ - -* Convert file name coding. - - $ convmv --nosmart -f cp-1251 -t utf-8 -r $dir - -* How get file time attributes. - -POSIX define 3 file time attributes: atime (access time, only a few OS/fs update -this parameter), ctime (attribute/inode modification time), mtime (modification -time). - -To get time you can use 'ls' command but it print time in locale dependent -irregular form: - - $ ls -l file.txt # last file modification - $ ls -lc file.txt # last file status modification - $ ls -lu file.txt # last access - -GNU coreutils provide more robust 'stst' utility: - - $ stat -c %Y file.txt # last file modification - $ stat -c %Z file.txt # last file status modification - $ stat -c %X file.txt # last access - -* File names. - -** POSIX. - -** Windows. - - http://msdn.microsoft.com/en-us/library/aa365247.aspx - Naming Files, Paths, and Namespaces - -* Block device attributes. - -** How get UUID and label? - -Include UUID (Universally Unique Identifier) and labels. - - $ ls -l /dev/disk/by-uuid/ -lrwxrwxrwx 1 root root 10 2010-11-01 23:41 46B6-1FD4 -> ../../sdb2 -lrwxrwxrwx 1 root root 10 2010-11-01 23:41 4C30299030298256 -> ../../sda1 - - $ ls -l /dev/disk/by-label/ -lrwxrwxrwx 1 root root 10 2010-11-01 23:41 bin -> ../../sda3 -lrwxrwxrwx 1 root root 10 2010-11-01 23:41 inst -> ../../sda2 -lrwxrwxrwx 1 root root 10 2010-11-01 23:41 media -> ../../sdc5 - - $ sudo vol_id /dev/dm-2 -ID_FS_USAGE=filesystem -ID_FS_TYPE=ext3 -ID_FS_VERSION=1.0 -ID_FS_UUID=f7484fc9-75ec-4e46-8539-50b1e371b7ef -ID_FS_UUID_ENC=f7484fc9-75ec-4e46-8539-50b1e371b7ef -ID_FS_LABEL= -ID_FS_LABEL_ENC= -ID_FS_LABEL_SAFE= - - $ /sbin/blkid ## from 'e2fsprogs' package -/dev/sdc2: UUID="46B6-1FD4" TYPE="vfat" -/dev/sdb2: TYPE="ntfs" UUID="BC48D3FD48D3B47C" LABEL="inst" -/dev/sda5: UUID="5240AED140AEBB5D" LABEL="music" TYPE="ntfs" -/dev/sdc1: UUID="81c4444f-0b70-429a-9d97-8c13e8651f5b" TYPE="ext3" -/dev/sdc3: UUID="KOpHWz-clDR-2MqV-vAkE-cPvY-uZrY-kjYJIb" TYPE="lvm2pv" - - $ udevinfo --query=all --name /dev/sdb ## from 'udev' package -P: /block/sdb -N: sdb -S: disk/by-id/ata-WDC_WD1600JS-00MHB0_WD-WCANM5835587 -S: disk/by-id/scsi-SATA_WDC_WD1600JS-00_WD-WCANM5835587 -S: disk/by-path/pci-0000:00:08.0-scsi-1:0:0:0 -E: ID_VENDOR=ATA -E: ID_MODEL=WDC_WD1600JS-00M -E: ID_REVISION=02.0 -... - -** How set UUID and label? - -For ext2/ext3 fs: - - $ sudo tune2fs /dev/hdb1 -U `uuid` - -* Linux fs under Windows. - -** Ext2 IFS. - -It provides Windows NT4.0/2000/XP/2003/Vista/2008 with full access to Linux Ext2 volumes (read -access and write access). This may be useful if you have installed both Windows and Linux as a dual -boot environment on your computer. - -The "Ext2 Installable File System for Windows" software is freeware. - -After install use 'ifsdrives.cpl' control panel to modify settings. - - http://www.fs-driver.org/ - home page - -** Ext2Fsd. - -Ext2Fsd is an open source linux ext2/ext3 file system driver for Windows systems (NT/2K/XP/VISTA, -X86/AMD64). - - http://www.ext2fsd.com/ - home page - http://sourceforge.net/projects/ext2fsd/ - -** rfstool. - -Allows you to access ReiserFS partitions from a Windows 95/98/ME/NT/2000/XP system. It also allows -you to access ReiserFS partitions from Linux. It is a complete rewrite of the ReiserFS functions -needed to list directories, copy files, and backup metadata. - - http://p-nand-q.com/e/reiserfs.html - home page - http://freshmeat.net/projects/rfstool/ - - -* Summary files size. - - $ find . -type f -iname "*.log" -print0 | du --files0-from=- -c -m | tail -n 1 \ - | (read first rest; echo $first) -