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An empty file has a minimum disk size that depends on the disk block size, which can also be referred to as cluster size or IO block size, that depends in turn on the filesystem. This IO block size can be discovered through different utilities in the operating system, such as stat in Unix systems. [2] [3] Typically 4096 bytes.
In computer science, a sparse file is a type of computer file that attempts to use file system space more efficiently when the file itself is partially empty. This is achieved by writing brief information ( metadata ) representing the empty blocks to the data storage media instead of the actual "empty" space which makes up the block, thus ...
Depending on the implementation and the specific file system requested, the command may have many options that can be specified such as inode size, block size, volume label, and other features. [7] (See file system for details) The filesystem-specific commands that mkfs calls may be invoked directly by the user from the command line.
This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
Inspect SITE HELP output for complete list of supported commands. SIZE RFC 3659 Return the size of a file. SMNT RFC 959 Mount file structure. SPSV FTP Extension Allowing IP Forwarding (NATs) Use single port passive mode (only one TCP port number for both control connections and passive-mode data connections) STAT RFC 959
In computing, sort is a standard command line program of Unix and Unix-like operating systems, that prints the lines of its input or concatenation of all files listed in its argument list in sorted order. Sorting is done based on one or more sort keys extracted from each line of input.
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In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname of each matched object or, if another action is requested, performs that action on each matched object.