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What does lsattr mean?
attributes of
lsattr is the command that displays the attributes of a file. Most BSD-like systems, including macOS, have always had an analogous chflags command to set the attributes, but no command specifically meant to display them; specific options to the ls command are used instead.
What is the point of a directory?
What is the purpose of a directory? A directory is used to store, organize, and separate files and directories on a computer. For example, you could have a directory to store pictures and another directory to store all your documents.
What does Chattr?
chattr (Change Attribute) is a command line Linux utility that is used to set/unset certain attributes to a file in Linux system to secure accidental deletion or modification of important files and folders, even though you are logged in as a root user.
What does the chattr command do in Linux?
On Linux operating systems, the chattr command modifies the attributes of files, and lsattr lists (displays) them. In Linux, file attributes are flags which affect how the file is stored and accessed by the filesystem. They are metadata stored in the file’s associated inode. Description. Syntax: chattr.
How to change attributes of a file in chattr?
Be verbose with chattr’s output and print the program version. Suppress most error messages. Set the file’s version/generation number. Set the file’s project number. A file with the ‘a’ attribute set can only be opened in append mode for writing.
Is it possible to delete a chattr file?
It cannot be deleted or renamed; hard links cannot be made to this file; most of its metadata cannot be changed. Modifying this attribute requires root privileges. When the file is accessed, its atime record is not modified, which in some situations can reduce disk I/O.
Can a chattr be set or unset by lsattr?
The following attributes are read-only. They cannot be set or unset by chattr, but can be listed by lsattr. The filesystem is not able to automatically compress this file. The file is storing its blocks in units of the filesystem’s blocksize instead of in sectors. The file is, or previously was, larger than 2 TB.