| Index Entry | Section |
|
D | | |
| data, erasing | 11.6 shred : Remove files more securely |
| database for color setup, printing | 10.4 dircolors : Color setup for ls |
| date | 21.1 date : Print or set system date and time |
| date directives | 21.1.2 Date directives |
| date format, ISO 8601 | 27.2 Calendar date items |
| date input formats | 27. Date input formats |
| date options | 21.1.6 Options for date |
| date strings, parsing | 21.1.6 Options for date |
| day in date strings | 27.6 Relative items in date strings |
| day in date strings | 27.6 Relative items in date strings |
| day of week item | 27.5 Day of week items |
| dd | 11.2 dd : Convert and copy a file |
| dec | 19.2.5 Combination settings |
| decctlq | 19.2.5 Combination settings |
| delay for a specified time | 24.1 sleep : Delay for a specified time |
| delaying commands | 24. Delaying |
| deleting characters | 9.1.3 Squeezing repeats and deleting |
| dereferencing symbolic links | 12.2 ln : Make links between files |
| descriptor follow option | 5.2 tail : Output the last part of files |
| destination directory | 2.3 Target directory |
| destination directory | 11.1 cp : Copy files and directories |
| destination directory | 11.3 install : Copy files and set attributes |
| destination directory | 11.4 mv : Move (rename) files |
| destination directory | 12.2 ln : Make links between files |
| destinations, multiple output | 17.1 tee : Redirect output to multiple files |
| device file, disk | 14.1 df : Report filesystem disk space usage |
| df | 14.1 df : Report filesystem disk space usage |
| DF_BLOCK_SIZE | 2.2 Block size |
| dictionary order | 7.1 sort : Sort text files |
| differing lines | 7.3 comm : Compare two sorted files line by line |
| digit | 9.1.1 Specifying sets of characters |
| dir | 10.2 dir : Briefly list directory contents |
| dircolors | 10.4 dircolors : Color setup for ls |
| directives, date | 21.1.2 Date directives |
| directives, literal | 21.1.3 Literal directives |
| directives, time | 21.1.1 Time directives |
| directories, copying | 11.1 cp : Copy files and directories |
| directories, copying recursively | 11.1 cp : Copy files and directories |
| directories, copying recursively | 11.1 cp : Copy files and directories |
| directories, creating | 12.3 mkdir : Make directories |
| directories, creating with given attributes | 11.3 install : Copy files and set attributes |
| directories, removing (recursively) | 11.5 rm : Remove files or directories |
| directories, removing empty | 12.6 rmdir : Remove empty directories |
| directories, removing with unlink | 11.5 rm : Remove files or directories |
| directory check | 16.3.1 File type tests |
| directory components, printing | 18.2 dirname : Strip non-directory suffix from a file name |
| directory deletion, ignoring failures | 12.6 rmdir : Remove empty directories |
| directory deletion, reporting | 12.6 rmdir : Remove empty directories |
| directory listing | 10.1 ls : List directory contents |
| directory listing, brief | 10.2 dir : Briefly list directory contents |
| directory listing, recursive | 10.1.1 Which files are listed |
| directory listing, verbose | 10.3 vdir : Verbosely list directory contents |
| directory order, listing by | 10.1.3 Sorting the output |
| directory, stripping from file names | 18.1 basename : Strip directory and suffix from a file name |
| dired Emacs mode support | 10.1.2 What information is listed |
| dirname | 18.2 dirname : Strip non-directory suffix from a file name |
| disabling special characters | 19.2.6 Special characters |
| disk allocation | 10.1.2 What information is listed |
| disk device file | 14.1 df : Report filesystem disk space usage |
| disk usage | 14. Disk usage |
| disk usage by filesystem | 14.1 df : Report filesystem disk space usage |
| disk usage for files | 14.2 du : Estimate file space usage |
| diskette filesystem | 14.1 df : Report filesystem disk space usage |
| displacement of dates | 27.6 Relative items in date strings |
| displaying text | 15.1 echo : Print a line of text |
| division | 16.4.2 Numeric expressions |
| do nothing, successfully | 16.2 true : Do nothing, successfully |
| do nothing, unsuccessfully | 16.1 false : Do nothing, unsuccessfully |
| DOS filesystem | 14.1 df : Report filesystem disk space usage |
| double spacing | 4.2 pr : Paginate or columnate files for printing |
| down columns | 4.2 pr : Paginate or columnate files for printing |
| dsusp | 19.2.6 Special characters |
| du | 14.2 du : Estimate file space usage |
| DU_BLOCK_SIZE | 2.2 Block size |
| duplicate lines, outputting | 7.2 uniq : Uniquify files |
|
E | | |
| ebcdic, converting to | 11.2 dd : Convert and copy a file |
| echo | 19.2.4 Local settings |
| echoctl | 19.2.4 Local settings |
| echoe | 19.2.4 Local settings |
| echok | 19.2.4 Local settings |
| echoke | 19.2.4 Local settings |
| echonl | 19.2.4 Local settings |
| echoprt | 19.2.4 Local settings |
| effective uid and gid, printing | 20.1 id : Print real and effective uid and gid |
| effective UID, printing | 20.3 whoami : Print effective user id |
| efs filesystem type | 14.1 df : Report filesystem disk space usage |
| Eggert, Paul | 27.8 Authors of getdate |
| eight-bit characters | 19.2.1 Control settings |
| eight-bit characters | 19.2.5 Combination settings |
| eight-bit input | 19.2.2 Input settings |
| ek | 19.2.5 Combination settings |
| empty files, creating | 13.4 touch : Change file timestamps |
| empty lines, numbering | 3.3 nl : Number lines and write files |
| entire files, output of | 3. Output of entire files |
| env | 22.2 env : Run a command in a modified environment |
| environment variables, printing | 19.3 printenv : Print all or some environment variables |
| environment, preserving | 22.5 su : Run a command with substitute user and group id |
| environment, printing | 22.2 env : Run a command in a modified environment |
| environment, running a program in a modified | 22.2 env : Run a command in a modified environment |
| eof | 19.2.6 Special characters |
| eol | 19.2.6 Special characters |
| eol2 | 19.2.6 Special characters |
| epoch, for POSIX | 27. Date input formats |
| epoch, seconds since | 21.1.1 Time directives |
| equal string check | 16.3.4 String tests |
| equivalence classes | 9.1.1 Specifying sets of characters |
| erase | 19.2.6 Special characters |
| erasing data | 11.6 shred : Remove files more securely |
| error messages, omitting | 13.1 chown : Change file owner and group |
| error messages, omitting | 13.2 chgrp : Change group ownership |
| error messages, omitting | 13.3 chmod : Change access permissions |
| evaluation of expressions | 16.4 expr : Evaluate expressions |
| even parity | 19.2.1 Control settings |
| evenp | 19.2.5 Combination settings |
| exabyte, definition of | 2.2 Block size |
| examples of date | 21.1.7 Examples of date |
| examples of expr | 16.4.4 Examples of using expr |
| exbibyte, definition of | 2.2 Block size |
| excluding files from du | 14.2 du : Estimate file space usage |
| excluding files from du | 14.2 du : Estimate file space usage |
| executable file check | 16.3.2 Access permission tests |
| executables and file type, marking | 10.1.5 General output formatting |
| execute permission | 26.1 Structure of File Permissions |
| execute permission, symbolic | 26.2.1 Setting Permissions |
| existence-of-file check | 16.3.3 File characteristic tests |
| existing backup method | 2.1 Backup options |
| exit status commands | 16. Conditions |
| exit status of expr | 16.4 expr : Evaluate expressions |
| exit status of false | 16.1 false : Do nothing, unsuccessfully |
| exit status of nohup | 22.4 nohup : Run a command immune to hangups |
| exit status of pathchk | 18.3 pathchk : Check file name portability |
| exit status of printenv | 19.3 printenv : Print all or some environment variables |
| exit status of true | 16.2 true : Do nothing, successfully |
| exit status of tty | 19.4 tty : Print file name of terminal on standard input |
| expand | 9.2 expand : Convert tabs to spaces |
| expr | 16.4 expr : Evaluate expressions |
| expression evaluation | 16.3 test : Check file types and compare values |
| expression evaluation | 16.4 expr : Evaluate expressions |
| expressions, numeric | 16.4.2 Numeric expressions |
| expressions, string | 16.4.1 String expressions |
| extension, sorting files by | 10.1.3 Sorting the output |
|