| Index Entry |  Section | 
 
  | 
| 4 |  |  | 
 | 4.2 filesystem type | 9.1 df: Report filesystem disk space usage | 
 
  | 
| A |  |  | 
 | abbreviations for months | 4.2 Calendar date items | 
 | access permissions, changing | 8.3 chmod: Change access permissions | 
 | access time, changing | 8.4 touch: Change file timestamps | 
 | access time, printing or sorting files by | 5.1.3 Sorting the output | 
 | across, listing files | 5.1.5 General output formatting | 
 | adding permissions | 3.2.1 Setting Permissions | 
 | ago in date strings | 4.6 Relative items in date strings | 
 | alternate ebcdic, converting to | 6.2 dd: Convert and copy a file | 
 | always color option | 5.1.5 General output formatting | 
 | am in date strings | 4.3 Time of day items | 
 | appropriate privileges | 6.3 install: Copy files and set attributes | 
 | ascii, converting to | 6.2 dd: Convert and copy a file | 
 | atime, changing | 8.4 touch: Change file timestamps | 
 | atime, printing or sorting files by | 5.1.3 Sorting the output | 
 | attributes, file | 8. Changing file attributes | 
 | authors of getdate | 4.8 Authors of getdate | 
 | auto color option | 5.1.5 General output formatting | 
 | automounter filesystems | 9.1 df: Report filesystem disk space usage | 
 
  | 
| B |  |  | 
 | b for block special file | 7.4 mknod: Make block or character special files | 
 | backslash sequences for file names | 5.1.6 Formatting the file names | 
 | backup files, ignoring | 5.1.1 Which files are listed | 
 | backup options | 2.1 Backup options | 
 | backup suffix | 2.1 Backup options | 
 | backups, making | 2.1 Backup options | 
 | backups, making | 6.1 cp: Copy files and directories | 
 | backups, making | 6.3 install: Copy files and set attributes | 
 | backups, making | 6.4 mv: Move (rename) files | 
 | backups, making | 7.1 ln: Make links between files | 
 | backups, making only | 6.1 cp: Copy files and directories | 
 | beginning of time, for POSIX | 4. Date input formats | 
 | Bellovin, Steven M. | 4.8 Authors of getdate | 
 | Berets, Jim | 4.8 Authors of getdate | 
 | Berry, K. | 4.8 Authors of getdate | 
 | block (space-padding) | 6.2 dd: Convert and copy a file | 
 | block size | 2.2 Block size | 
 | block size | 6.2 dd: Convert and copy a file | 
 | block size of conversion | 6.2 dd: Convert and copy a file | 
 | block size of input | 6.2 dd: Convert and copy a file | 
 | block size of output | 6.2 dd: Convert and copy a file | 
 | block special files | 7.4 mknod: Make block or character special files | 
 | block special files, creating | 7.4 mknod: Make block or character special files | 
 | BLOCK_SIZE | 2.2 Block size | 
 | Bourne shell syntax for color setup | 5.4 dircolors: Color setup for ls | 
 | bs | 6.2 dd: Convert and copy a file | 
 | BSD touch compatibility | 8.4 touch: Change file timestamps | 
 | bugs, reporting | 1. Introduction | 
 | byte-swapping | 6.2 dd: Convert and copy a file | 
 
  | 
| C |  |  | 
 | c for character special file | 7.4 mknod: Make block or character special files | 
 | C shell syntax for color setup | 5.4 dircolors: Color setup for ls | 
 | calendar date item | 4.2 Calendar date items | 
 | case, ignored in dates | 4.1 General date syntax | 
 | cbs | 6.2 dd: Convert and copy a file | 
 | CD-ROM filesystem type | 9.1 df: Report filesystem disk space usage | 
 | cdfs filesystem type | 9.1 df: Report filesystem disk space usage | 
 | changed files, verbosely describing | 8.2 chgrp: Change group ownership | 
 | changed owners, verbosely describing | 8.1 chown: Change file owner and group | 
 | changing access permissions | 8.3 chmod: Change access permissions | 
 | changing file attributes | 8. Changing file attributes | 
 | changing file ownership | 8.1 chown: Change file owner and group | 
 | changing file timestamps | 8.4 touch: Change file timestamps | 
 | changing group ownership | 8.1 chown: Change file owner and group | 
 | changing group ownership | 8.2 chgrp: Change group ownership | 
 | changing special permissions | 3.2.3 Changing Special Permissions | 
 | character special files | 7.4 mknod: Make block or character special files | 
 | character special files, creating | 7.4 mknod: Make block or character special files | 
 | chgrp | 8.2 chgrp: Change group ownership | 
 | chmod | 8.3 chmod: Change access permissions | 
 | chown | 8.1 chown: Change file owner and group | 
 | color database, printing | 5.4 dircolors: Color setup for ls | 
 | color setup | 5.4 dircolors: Color setup for ls | 
 | color, distinguishing file types with | 5.1.5 General output formatting | 
 | COLUMNS | 5.1.5 General output formatting | 
 | commas, outputting between files | 5.1.5 General output formatting | 
 | comments, in dates | 4.1 General date syntax | 
 | common options | 2. Common options | 
 | conditional executability | 3.2.4 Conditional Executability | 
 | conv | 6.2 dd: Convert and copy a file | 
 | conversion block size | 6.2 dd: Convert and copy a file | 
 | converting while copying a file | 6.2 dd: Convert and copy a file | 
 | copying directories recursively | 6.1 cp: Copy files and directories | 
 | copying existing permissions | 3.2.2 Copying Existing Permissions | 
 | copying files and directories | 6.1 cp: Copy files and directories | 
 | copying files and setting attributes | 6.3 install: Copy files and set attributes | 
 | count | 6.2 dd: Convert and copy a file | 
 | cp | 6.1 cp: Copy files and directories | 
 | crashes and corruption | 9.3 sync: Synchronize data on disk with memory | 
 | creating directories | 7.2 mkdir: Make directories | 
 | creating FIFOs (named pipes) | 7.3 mkfifo: Make FIFOs (named pipes) | 
 | creating links (hard or soft) | 7.1 ln: Make links between files | 
 | csh syntax for color setup | 5.4 dircolors: Color setup for ls | 
 | ctime, printing or sorting by | 5.1.3 Sorting the output | 
 
  | 
| D |  |  | 
 | data, erasing | 6.6 shred: Remove files more securely | 
 | database for color setup, printing | 5.4 dircolors: Color setup for ls | 
 | date format, ISO 8601 | 4.2 Calendar date items | 
 | date input formats | 4. Date input formats | 
 | day in date strings | 4.6 Relative items in date strings | 
 | day in date strings | 4.6 Relative items in date strings | 
 | day of week item | 4.5 Day of week items | 
 | dd | 6.2 dd: Convert and copy a file | 
 | dereferencing symbolic links | 7.1 ln: Make links between files | 
 | destination directory | 2.3 Target directory | 
 | destination directory | 6.1 cp: Copy files and directories | 
 | destination directory | 6.3 install: Copy files and set attributes | 
 | destination directory | 6.4 mv: Move (rename) files | 
 | destination directory | 7.1 ln: Make links between files | 
 | device file, disk | 9.1 df: Report filesystem disk space usage | 
 | df | 9.1 df: Report filesystem disk space usage | 
 | DF_BLOCK_SIZE | 2.2 Block size | 
 | dir | 5.2 dir: Briefly list directory contents | 
 | dircolors | 5.4 dircolors: Color setup for ls | 
 | directories, copying | 6.1 cp: Copy files and directories | 
 | directories, copying recursively | 6.1 cp: Copy files and directories | 
 | directories, creating | 7.2 mkdir: Make directories | 
 | directories, creating with given attributes | 6.3 install: Copy files and set attributes | 
 | directories, removing (recursively) | 6.5 rm: Remove files or directories | 
 | directories, removing empty | 7.5 rmdir: Remove empty directories | 
 | directories, removing with unlink | 6.5 rm: Remove files or directories | 
 | directory deletion, ignoring failures | 7.5 rmdir: Remove empty directories | 
 | directory deletion, reporting | 7.5 rmdir: Remove empty directories | 
 | directory listing | 5.1 ls: List directory contents | 
 | directory listing, brief | 5.2 dir: Briefly list directory contents | 
 | directory listing, recursive | 5.1.1 Which files are listed | 
 | directory listing, verbose | 5.3 vdir: Verbosely list directory contents | 
 | directory order, listing by | 5.1.3 Sorting the output | 
 | dired Emacs mode support | 5.1.2 What information is listed | 
 | disk allocation | 5.1.2 What information is listed | 
 | disk device file | 9.1 df: Report filesystem disk space usage | 
 | disk usage | 9. Disk usage | 
 | disk usage by filesystem | 9.1 df: Report filesystem disk space usage | 
 | disk usage for files | 9.2 du: Estimate file space usage | 
 | diskette filesystem | 9.1 df: Report filesystem disk space usage | 
 | displacement of dates | 4.6 Relative items in date strings | 
 | DOS filesystem | 9.1 df: Report filesystem disk space usage | 
 | du | 9.2 du: Estimate file space usage | 
 | DU_BLOCK_SIZE | 2.2 Block size | 
 
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