The Open Group Base Specifications Issue 7
IEEE Std 1003.1-2008
Copyright © 2008 The IEEE and The Open Group, All Rights reserved.

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### D

- date - write the date and time
- daylight, timezone, tzname, tzset - set timezone conversion information
- dbm_clearerr(), dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
- dbm_close(), dbm_clearerr, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
- dbm_delete(), dbm_clearerr, dbm_close, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
- dbm_error(), dbm_clearerr, dbm_close, dbm_delete, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
- dbm_fetch(), dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_firstkey, dbm_nextkey, dbm_open, dbm_store - database functions
- dbm_firstkey(), dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_nextkey, dbm_open, dbm_store - database functions
- dbm_nextkey(), dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_open, dbm_store - database functions
- dbm_open(), dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_store - database functions
- dbm_store(), dbm_clearerr, dbm_close, dbm_delete, dbm_error, dbm_fetch, dbm_firstkey, dbm_nextkey, dbm_open - database functions
- dd - convert and copy a file
- delta - make a delta (change) to an SCCS file (DEVELOPMENT)
- df - report free disk space
- diff - compare two files
- difftime() - compute the difference between two calendar time values
- dirent.h - format of directory entries
- dirfd() - extract the file descriptor used by a DIR stream
- dirname - return the directory portion of a pathname
- dirname() - report the parent directory name of a file pathname
- div() - compute the quotient and remainder of an integer division
- dlclose() - close a dlopen object
- dlerror() - get diagnostic information
- dlfcn.h - dynamic linking
- dlopen() - gain access to an executable object file
- dlsym() - obtain the address of a symbol from a dlopen object
- dot - execute commands in the current environment
- dprintf(), fprintf, printf, snprintf, sprintf - print formatted output
- drand48(), erand48, jrand48, lcong48, lrand48, mrand48, nrand48, seed48, srand48 - generate uniformly distributed pseudo-random numbers
- du - estimate file space usage
- dup(), dup2 - duplicate an open file descriptor
- dup2(), dup - duplicate an open file descriptor
- duplocale() - duplicate a locale object

Topics

- Data Segment
- Datagram
- Deferred Batch Service
- Definitions
- Device ID
- Device
- Directory Entry (or Link)
- Directory Protection
- Directory Stream
- Directory Structure and Devices
- Directory Structure and Files
- Directory
- Disarm (a Timer)
- Display Line
- Display
- Dollar-Sign Character (<dollar-sign>)
- Dot-Dot
- Dot
- Double-Quote Character
- Downshifting
- Driver