Linux practice engineer study NOTE 4: Managing Disk File Systems
Source: Internet
Author: User
Linux practice engineer study NOTE 4: Manage the disk file system-general Linux technology-Linux technology and application information. The following is a detailed description. Original Author: junger
Mount device name mount point
Mount/dev/fd0/mnt/floppy
Optical Drive (IDE)/dev/cdrom (/dev/hdx)
Optical Drive (SCSI)/dev/scdN (N = 0, 1 ...)
Hard Disk (IDE)/dev/hdX (X = a, B, c ...)
Hard Disk (SCSI)/dev/sdX (X = a, B, c ...)
U Disk/dev/sdX (X = a, B, c ...)
Pop-up disc # eject
Reclaim # eject? T
Because the USB device has built-in USB-SCSI conversion interface, it is considered as a SCSI hard disk
# Mkdir/mnt/u
# Mount/dev/sda1/mnt/u
The default kernel supports SCSI and USB interfaces.
# Modprobe usb-storage check whether the usb-storage module is loaded; otherwise, the USB device cannot be automatically recognized.
# Mount? T vfat/dev/hda2/mnt/c
# Mount? T ntfs/dev/hda3/mnt/d the kernel must be re-compiled to support NTFS
# Mount? T iso9660/dev/cdrom/mnt/cdrom
# Mount? T vfat? O iocharset = gb2312/dev/sdb1/mnt/u
Commonly used character encoding: gb2312 and utf8
# Mount/dev/sdb2/MT/d? O iocharset = utf8, ro, uid = redhat, umask = 0077
Use USB flash drives in Linux
# Ls/dev confirm that the device has been recognized
# Mount-o iocharset = gb2312/dev/sda1
Press ctrl + F to flip (or space) ctrl + B (roll up)
Ls-a: Show Hidden Files (Files starting)
File Permission rws s indicates the user who executes the program and temporarily has the same authority as the owner to execute the program.
The-r parameter of the cp-r source object indicates that the sub-directories are copied together.
Rm-I confirm deletion
-R: delete sub-Directories
-F force Delete
Du disk or directory space used
Df disk or directory available space
Cat> file1 is equivalent to the input text. After the input, ctrl + C or ctrl + D ends.
> A symbol is appended to the end of a file.> a symbol is used to create a new file.
Less: Scroll up and down File Content
Which searches for files in the directory set by $ PATH.
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