by nixCraft on September 25, 2007 · 37 comments
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 ordinary user cannot do on system such as start / stop services, grant [...]
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by nixCraft on September 21, 2007 · 0 comments
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 and copy / move files? A. Generally you use command like cp or my to [...]
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by nixCraft on July 31, 2007 · 9 comments
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 file allows to accesses hardware devices so that end users do not need to [...]
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by nixCraft on February 13, 2006 · 17 comments
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 setup following mode on each files. In a Linux and UNIX set of permissions is called as mode: Read [...]
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