By Clément Nedelcu
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This can be done via one of the options of the mount command, noatime. The option can be specified in the /etc/fstab file if you want to enable it permanently. More documentation can be found online with a simple noatime ssd search. Credit goes to Kevin Burton for this important finding. Symbolic and hard links Symbolic links in Linux are the equivalent of shortcuts in Microsoft Windows operating systems. There are a number of differences that need to be explained though, the most important one being that read or write accesses to the file performed by applications actually affect the target of the link and not the link itself.
Com ~]$ umount /dev/usb1 Note that the first argument of the command may either be the device filename or the mount point, producing the same result. Files and inodes There is a common misconception of the notion of "filesystem" when it comes to Unix-based operating systems in general. Since those systems respect the FHS, they use a common directory hierarchy regrouping all files and devices. However, storage devices may have their independent disk filesystem. A disk filesystem is designed for the organization of files on a mass storage device (hard disk drives, CD-ROMs, and so on).
You should also know that directories are actually regarded as special files; they work in the same way when it comes to permissions. Understanding file permissions There are three types of access—reading from a file, writing to a file, and executing a file. Each of these accesses can be defined for the original file owner, the file group, and all other users. jpg The first column provides a character representation of the file permissions. It is composed of ten characters: • First character: File type (-: file, d: directory, l: link; other types exist) • Second to fourth characters: Read, write, and execute permissions for the owner • Fifth to seventh characters: Read, write, and execute permissions for the group • Eighth to tenth characters: Read, write, and execute permissions for other users Directory permissions On top of that, directories have specific attributes—sticky bit and set group ID.