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How Linux file permissions work
Linux (and almost all other Unixish systems) have three user classes as follows: User (u): The owner of file Group (g): Other user who are in group (to access files) Other (o): Everyone else You can...
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Linux / UNIX: Device files
Q. Can you explain me what is device files and how do I access or see device files? Why UNIX / Linux has device files? A. Under Linux and UNIX each and every hardware device treated as a file. A device...
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Linux / UNIX: Cannot Preserve Ownership Error when Files are Moved or Copied
Q. I’m using CentOS Linux. I’m getting an error - Cannot Preserve Ownership, when I try to copy files from Linux ext3 to FAT32 or files moved to an NFS NAS server mount point. How do I fix this error...
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Can I create another root user account in Linux / UNIX?
Q. I’d like to create my root account in Linux. How do I do it? A. Root user is superuser on a Unix / Linux system. Root user has all rights or permissions. . The root user can do many things an...
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