| Index Entry | Section |
|
| F | | |
| factor | 26.1 factor: Print prime factors |
| failure exit status | 16.1 false: Do nothing, unsuccessfully |
| false | 16.1 false: Do nothing, unsuccessfully |
| fascism | 23.6 su: Run a command with substitute user and group ID |
| fdatasync | 11.2 dd: Convert and copy a file |
| ffn | 19.2.3 Output settings |
| field separator character | 7.1 sort: Sort text files |
| fields, padding numeric | 21.1.4 Padding and other flags |
| FIFOs, creating | 12.4 mkfifo: Make FIFOs (named pipes) |
| file attributes, changing | 13. Changing file attributes |
| file characteristic tests | 16.3.3 File characteristic tests |
| file contents, dumping unambiguously | 3.4 od: Write files in octal or other formats |
| file information, preserving | 11.1 cp: Copy files and directories |
| file information, preserving, extended attributes, xattr | 11.1 cp: Copy files and directories |
| file mode bits, numeric | 27.3 Numeric Modes |
| file name manipulation | 18. File name manipulation |
| file name pattern expansion, disabled | 23.6 su: Run a command with substitute user and group ID |
| file names, checking validity and portability | 18.3 pathchk: Check file name validity and portability |
| file names, creating temporary | 18.4 mktemp: Create temporary file or directory |
| file names, stripping directory and suffix | 18.1 basename: Strip directory and suffix from a file name |
| file offset radix | 3.4 od: Write files in octal or other formats |
| file ownership, changing | 13.1 chown: Change file owner and group |
| file sizes | 14.2 du: Estimate file space usage |
| file space usage | 14.2 du: Estimate file space usage |
| file status | 14.3 stat: Report file or file system status |
| file system disk usage | 14.1 df: Report file system disk space usage |
| file system sizes | 14.1 df: Report file system disk space usage |
| file system space, retrieving current data more slowly | 14.1 df: Report file system disk space usage |
| file system space, retrieving old data more quickly | 14.1 df: Report file system disk space usage |
| file system status | 14.3 stat: Report file or file system status |
| file system types, limiting output to certain | 14.1 df: Report file system disk space usage |
| file system types, limiting output to certain | 14.1 df: Report file system disk space usage |
| file system types, printing | 14.1 df: Report file system disk space usage |
| file systems | 14.3 stat: Report file or file system status |
| file systems and hard links | 12.2 ln: Make links between files |
| file systems, omitting copying to different | 11.1 cp: Copy files and directories |
| file timestamps, changing | 13.4 touch: Change file timestamps |
| file type and executables, marking | 10.1.5 General output formatting |
| file type tests | 16.3.1 File type tests |
| file type, marking | 10.1.5 General output formatting |
| file type, marking | 10.1.5 General output formatting |
| file types | 12. Special file types |
| file types, special | 12. Special file types |
| file utilities | GNU Coreutils |
| files beginning with `-', removing | 11.5 rm: Remove files or directories |
| files, copying | 11.1 cp: Copy files and directories |
| files, creating | 14.5 truncate: Shrink or extend the size of a file |
| fingerprint, 128-bit | 6.4 md5sum: Print or check MD5 digests |
| fingerprint, 160-bit | 6.5 sha1sum: Print or check SHA-1 digests |
| fingerprint, 224-bit | 6.6 sha2 utilities: Print or check SHA-2 digests |
| fingerprint, 256-bit | 6.6 sha2 utilities: Print or check SHA-2 digests |
| fingerprint, 384-bit | 6.6 sha2 utilities: Print or check SHA-2 digests |
| fingerprint, 512-bit | 6.6 sha2 utilities: Print or check SHA-2 digests |
| first in date strings | 28.1 General date syntax |
| first part of files, outputting | 5.1 head: Output the first part of files |
| fixed-length records, converting to variable-length | 11.2 dd: Convert and copy a file |
| flow control, hardware | 19.2.1 Control settings |
| flow control, software | 19.2.2 Input settings |
| flushing, disabling | 19.2.4 Local settings |
| fmt | 4.1 fmt: Reformat paragraph text |
| fold | 4.3 fold: Wrap input lines to fit in specified width |
| folding long input lines | 4.3 fold: Wrap input lines to fit in specified width |
| footers, numbering | 3.3 nl: Number lines and write files |
| force deletion | 11.6 shred: Remove files more securely |
| formatting file contents | 4. Formatting file contents |
| formatting of numbers in seq | 26.2 seq: Print numeric sequences |
| formatting times | 4.2 pr: Paginate or columnate files for printing |
| formatting times | 21.1 date: Print or set system date and time |
| fortnight in date strings | 28.6 Relative items in date strings |
| fsync | 11.2 dd: Convert and copy a file |
| fullblock | 11.2 dd: Convert and copy a file |
|
| G | | |
| general date syntax | 28.1 General date syntax |
| general numeric sort | 7.1 sort: Sort text files |
| get_date | 28. Date input formats |
| gibibyte, definition of | 2.3 Block size |
| gigabyte, definition of | 2.3 Block size |
| giving away permissions | 27.2.6 The Umask and Protection |
| globbing, disabled | 23.6 su: Run a command with substitute user and group ID |
| GMT | 21.1.6 Options for date |
| grand total of disk size, usage and available space | 14.1 df: Report file system disk space usage |
| grand total of disk space | 14.2 du: Estimate file space usage |
| graph | 9.1.1 Specifying sets of characters |
| Greenwich Mean Time | 21.1.6 Options for date |
| group IDs, disambiguating | 2.5 chown and chgrp: Disambiguating user names and IDs |
| group names, disambiguating | 2.5 chown and chgrp: Disambiguating user names and IDs |
| group owner, default | 27.1 Structure of File Mode Bits |
| group ownership of installed files, setting | 11.3 install: Copy files and set attributes |
| group ownership, changing | 13.1 chown: Change file owner and group |
| group ownership, changing | 13.2 chgrp: Change group ownership |
| group wheel, not supported | 23.6 su: Run a command with substitute user and group ID |
| group, permissions for | 27.2.1 Setting Permissions |
| groups | 20.4 groups: Print group names a user is in |
| growing files | 5.2 tail: Output the last part of files |
|
| H | | |
| hangups, immunity to | 23.4 nohup: Run a command immune to hangups |
| hard link check | 16.3.3 File characteristic tests |
| hard link, defined | 12.2 ln: Make links between files |
| hard links | 11.2 dd: Convert and copy a file |
| hard links to directories | 12.2 ln: Make links between files |
| hard links to symbolic links | 12.2 ln: Make links between files |
| hard links, counting in du | 14.2 du: Estimate file space usage |
| hard links, creating | 12.1 link: Make a hard link via the link syscall |
| hard links, creating | 12.2 ln: Make links between files |
| hard links, preserving | 11.1 cp: Copy files and directories |
| hardware class | 21.4 uname: Print system information |
| hardware flow control | 19.2.1 Control settings |
| hardware platform | 21.4 uname: Print system information |
| hardware type | 21.4 uname: Print system information |
| hat notation for control characters | 19.2.4 Local settings |
| head | 5.1 head: Output the first part of files |
| head of output | 7.2 shuf: Shuffling text |
| headers, numbering | 3.3 nl: Number lines and write files |
| help, online | 2. Common options |
| hex dump of files | 3.4 od: Write files in octal or other formats |
| High Sierra file system | 14.1 df: Report file system disk space usage |
| holes, copying files with | 11.1 cp: Copy files and directories |
| holes, creating files with | 14.5 truncate: Shrink or extend the size of a file |
| HOME | 23.6 su: Run a command with substitute user and group ID |
| horizontal, listing files | 10.1.5 General output formatting |
| host processor type | 21.4 uname: Print system information |
| hostid | 21.6 hostid: Print numeric host identifier |
| hostname | 21.5 hostname: Print or set system name |
| hour in date strings | 28.6 Relative items in date strings |
| hsfs file system type | 14.1 df: Report file system disk space usage |
| human numeric sort | 7.1 sort: Sort text files |
| human-readable output | 2.3 Block size |
| human-readable output | 10.1.2 What information is listed |
| human-readable output | 14.1 df: Report file system disk space usage |
| human-readable output | 14.2 du: Estimate file space usage |
| hup[cl] | 19.2.1 Control settings |
| hurd, author, printing | 10.1.2 What information is listed |
|