coreutils/coreutils

Features

• File and Directory Operations - Provides the fundamental POSIX tools for creating, moving, deleting, and modifying files and directories.
• GNU Core Utilities - Implements the comprehensive suite of essential GNU command-line utilities for Unix-like operating systems.
• Command Line System Administration - Implements a standardized suite of command-line utilities for managing system resources and performing administrative tasks via a terminal.
• Directory Content Listings - Provides utilities for listing directory contents along with detailed metadata like permissions and ownership.
• Date and Time Libraries - Provides the date utility for converting timestamps and formatting temporal data.
• Directory Creation - Provides the standard utility for creating new directories and missing parent paths via the command line.
• Directory Copying - Provides utilities for duplicating files and directory trees while preserving attributes and links.
• Recursive File Operations - Implements recursive operations for the complete removal of directory trees and their contents.
• Shell Environment Managers - Provides tools to manage environment variables and process execution across shell sessions.
• Text Processing Utilities - Provides a comprehensive set of command-line utilities for filtering, pattern matching, and transforming text-based data.
• Working Directory Getters and Setters - Implements the standard utility to retrieve the absolute path of the current working directory.
• Environment Variable Readers - Provides the env and printenv utilities to display the values of environment variables.
• File Integrity Verifications - Provides checksum utilities like sha256sum and md5sum to verify file integrity.
• Field Extraction Utilities - The Coreutils library prints selected bytes, characters, or fields from each line using a delimiter.
• Empty Directory Removal - Implements utilities for the targeted removal of empty directories from the filesystem.
• File Content Statistics - Provides utilities to count newlines, words, bytes, and characters in files.
• File Renaming and Relocations - Provides standard operations for changing the name or directory location of files and folders.
• File Size Manipulation - Implements functionality to shrink or extend a file to a specified size.
• Filesystem and Text Processing - Ships a specialized toolkit for filtering, sorting, and transforming text data streams.
• Hard Link Management - Provides the fundamental capability to create hard links, associating multiple filenames with a single inode.
• Symbolic and Hard Link Creations - Provides the standard utility for creating symbolic links that point to target paths by name.
• Low-Level Data Copying - Provides low-level data copying capabilities with configurable block sizes and byte swapping.
• Path Canonicalization - Implements functionality to resolve links and output the absolute, canonicalized name of a file.
• POSIX Shell Utilities - Implements a standardized set of utilities that adhere to the POSIX specification for shell-based system manipulation.
• Process and Environment Control - Implements utilities for adjusting process priorities, managing environments, and signaling processes.
• Path Component Extractors - Provides utilities to split full filesystem paths into their constituent directory and filename components.
• System Administration Utilities - Provides low-level utilities for managing system processes, environment variables, and hardware information.
• File Timestamp Preservers - Provides the capability to manually update the access and modification timestamps of files.
• Temporary File Generators - Provides a utility for generating unpredictable, unique temporary file names to prevent race conditions.
• File Mode Permissions - Modifies the read, write, and execute permissions of files.
• System Resource Monitors - Provides utilities like df, du, and uptime to monitor system resources and performance.
• File Name Sanitizers - Provides utilities to validate if filenames are portable and compatible across different operating systems.
• File Splitting and Joining - Divides files into smaller volumes based on line count or size.
• Text Reflow Tools - The Coreutils library joins lines to a specified width to produce clean paragraphs.
• Filesystem Attribute Preservation - Copies files while preserving ownership, group, and permission mode bits.
• Binary Encodings - Renders raw binary data into printable ASCII representations such as base64.
• Sort-Merge Joins - Combines two sorted files by matching lines with an identical join field.
• File Status Retrieval - Displays detailed file and file system metadata, such as inodes and timestamps.
• Text File Merging - The Coreutils library joins lines from multiple files side-by-side using a specified delimiter.
• Custom File Sorting - Orders lines from files based on specified keys or locales.
• Disk Usage Estimation - Calculates the disk space required for specific files or directories.
• File System Space Reporting - Displays the available and used storage space across mounted file systems.
• Pattern-Based File Splitting - The Coreutils library creates multiple output files based on regular expression matches.
• Line Numbering Utilities - The Coreutils library adds line numbers to input with distinct numbering styles for sections.
• Line Wrapping Engines - The Coreutils library breaks long lines at a specified width or word boundary.
• Checksum Verifiers - Provides utilities that use cryptographic hashes to verify that files have not been altered.
• Command-Scoped Environments - Provides the env utility to run a program in a modified environment.
• Command Execution Context Overrides - Executes commands within a designated security context, overriding user and group identity.
• Execution Timeouts - Provides the timeout utility to terminate commands that exceed a specified time limit.
• Binary Data Dumpers - Writes file representations in octal, hexadecimal, or decimal formats for inspection.
• Chroot Execution - Executes commands within a restricted root directory environment using chroot.
• File Concatenators - Copies multiple files or standard input to standard output.
• File Head Utilities - Prints the first specified lines or bytes from the beginning of a file.
• Disk Write Synchronization - Provides the capability to force the operating system to write buffered memory data to storage.
• File Record Reversers - Copies files to output while reversing the order of records.
• File Tail Utilities - Prints the last specified lines or bytes from a file.
• Input Stream Duplication - The Coreutils library copies standard input to standard output and one or more files.
• Persistent Command Executions - Provides the nohup utility to execute commands that continue running after logout.
• Random Line Permutations - The Coreutils library outputs a random permutation of input lines or integers.
• Secure Data Erasure - Provides forensic-level overwriting of files to ensure data cannot be recovered after erasure.
• Sorted File Comparators - Identifies lines common to two sorted files and lines unique to each.
• Standard Output Printing - The Coreutils library writes strings to standard output and interprets backslash escapes.
• String Formatting Utilities - The Coreutils library performs formatted printing of text using a specified format string.
• System Hostname Utilities - Provides the hostname utility to print or set the system's network name.
• Timed Execution Delays - Provides the sleep utility to pause the execution of the current process.
• Prime Factorization Algorithms - Implements procedures for decomposing integers into products of prime numbers.
• Expression Evaluators - Includes an expression evaluator for calculating the results of numeric or string expressions.
• Numerical Representation Converters - Converts numbers between human-readable formats and raw numeric representations.
• Numerical Sequence Generation - Generates sequences of numbers within a specified interval.
• Topological Sorting - Produces a total linear ordering of items based on a partial ordering of strings.
• Ownership Reassignment - Implements tools for changing the owner and group attributes of files to manage access controls.
• Text Line Deduplication - Discards adjacent repeated lines from text files or data streams.
• Process Termination Signals - Provides the kill utility to send signals to processes for termination or control.
• System Uptime Retrieval - Retrieves and formats the duration since the last system boot along with load averages.
• System Clock Management - Provides utilities to display and set the system clock and calendar.
• System Information Summaries - Displays the kernel name, network node, version, and operating system.
• Text Character Transformation - The Coreutils library replaces or deletes specific characters in standard input.
• Process Priority Adjusters - Provides the nice utility to run a command with a modified CPU priority.

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