GNU fileutils

A set of file utilities

for version 4.0, 20 January 1999

• 1. Introduction
• 2. Common options
  • 2.1 Backup options
  • 2.2 Block size
• 3. File permissions
  • 3.1 Structure of File Permissions
  • 3.2 Symbolic Modes
    • 3.2.1 Setting Permissions
    • 3.2.2 Copying Existing Permissions
    • 3.2.3 Changing Special Permissions
    • 3.2.4 Conditional Executability
    • 3.2.5 Making Multiple Changes
    • 3.2.6 The Umask and Protection
  • 3.3 Numeric Modes
• 4. Date input formats
  • 4.1 General date syntax
  • 4.2 Calendar date item
  • 4.3 Time of day item
  • 4.4 Time zone item
  • 4.5 Day of week item
  • 4.6 Relative item in date strings
  • 4.7 Pure numbers in date strings
  • 4.8 Authors of getdate
• 5. Directory listing
  • 5.1 ls: List directory contents
    • 5.1.1 Which files are listed
    • 5.1.2 What information is listed
    • 5.1.3 Sorting the output
    • 5.1.4 More details about version sort
    • 5.1.5 General output formatting
    • 5.1.6 Formatting the file names
  • 5.2 dir: Briefly list directory contents
  • 5.3 vdir: Verbosely list directory contents
  • 5.4 dircolors: Color setup for ls
• 6. Basic operations
  • 6.1 cp: Copy files and directories
  • 6.2 dd: Convert and copy a file
  • 6.3 install: Copy files and set attributes
  • 6.4 mv: Move (rename) files
  • 6.5 rm: Remove files or directories
• 7. Special file types
  • 7.1 ln: Make links between files
  • 7.2 mkdir: Make directories
  • 7.3 mkfifo: Make FIFOs (named pipes)
  • 7.4 mknod: Make block or character special files
  • 7.5 rmdir: Remove empty directories
• 8. Changing file attributes
  • 8.1 chown: Change file owner and group
  • 8.2 chgrp: Change group ownership
  • 8.3 chmod: Change access permissions
  • 8.4 touch: Change file timestamps
• 9. Disk usage
  • 9.1 df: Report filesystem disk space usage
  • 9.2 du: Estimate file space usage
  • 9.3 sync: Synchronize data on disk with memory
• Index

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