Tài liệu Tìm hiểu Linux doc

Lecturer: MS. Võ Minh Sơn Students: Nguyễn Đức Tiến 0620076 Nguyễn Xuân Thuận 0620069 2 Demo 4 Exploring the Linux filesystem 1 File permissions 2 File processing 3 5 Q & A 6 Examining Files 1.1 Overview 1.2 Filesystem hierarchy 1.3 Type of information 1.4 Linux device files 1.5 Mounting and unmounting a device on the filesystem 3  Physical storage device: HDD, DVD-ROM  sector, track, cylinder • HDDs can be divided into separate storage devices called partitions  A filesystem is the methods and data structures that an operating system uses to keep track of files on a disk or partition (the way the files are organized on the disk) • ext3 (third extended filesystem) 4 5  File properties (Administrative information) 6  Name  Location  Size  Owner/Group  Type  Data created/ accessed/modified  Permissions  Desktop  Command line  file‟s inode  File manager KDE  Konqueror (Windows Explorer) GNOME Nautilus 7 8  path (pathname) absolute name vs relative name • /home/nguyenxuanthuan/programs • /home/guest/programs  shorcut • “ . ”  current directory • “ ”  directory immediately above the current directory 9 10 Data files Link files Directory files Configuration files Device files Type of information  Application-specific files o Program Applications o Image files  Text files . to your Linux file structure  Mounting is the operation you perform to cause the filesystem on a physical storage device to appear as part of the Linux. Examining Files 1.1 Overview 1.2 Filesystem hierarchy 1.3 Type of information 1.4 Linux device files 1.5 Mounting and unmounting a device on the filesystem 3