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Each file and directory can be marked read-only, writable, and executable. Each file / directory will contain three sets of permissions that can be marked as such, namely the owner, other users in the owners group, and users not in the group.
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What are permissions that are allocated with the directories in Linux?
Permissions are allocated based on users and groups, with read, write, and executable privileges being capable of being set.
What Linux command sets a files permission?
In Linux the chmod command is used to set file permissions.
What does ls -ld in Linux do?
It lists the directories (folders) only in a given path, and also lists the file permissions and file sizes for those folders.
Which Linux command will delete a directory as well as all its files and sub directories?
rm -rv /path/to/directory
Do some versions of UNIX and Linux include the umask command which enables you to set permissions on multiple files at one time?
Yes.
Does Ubuntu Linux recognize Windows folders on external media?
Yes. Ubuntu can read files and directories created by a Windows system.
What are write persmissions?
If a user has write permissions then that user is able to Delete or Modify that file. In the case of directories it means that user can create, delete, modify files in that folder.
What is 000 in unix file systems?
It depends on where the 000 is being used. For permissions, it would indicate that the file or directory or device has no permissions at all. For the 'umask' it would indicate that all newly created files or directories would have wide open permissions (world read, world write, etc.).
How do you remove a full directory in Linux?
To remove a directory that is full with other files or directories, use the below command. rm -rf directory
UNIX-type systems enable you to restrict access to resources by assigning user and group to files and directories?
Yes, or you can use the extended ACL permissions on most systems as well.
How do you create a file in Linux with write-only permissions?
Create a file and set it's permissions to 222
Can you use Windows Vista to fix a corrupted Linux installation?
Depending on what is wrong with the installation, probably not. Many files in Linux require a certain set of permissions to be set on them, or else the users and daemons can't do their jobs correctly, and the users will be unable to fix the problem even if the system boots, because they won't have permission to do so. The reason that this is an issue is because all the software that allows Vista to read various Linux file systems (such as ext2 or ReiserFS) doesn't support Linux-style permissions and thus all files that are created or modified belong to the root account.
