Search references for WRITE AHEAD-LOGGING. Phrases containing WRITE AHEAD-LOGGING
See searches and references containing WRITE AHEAD-LOGGING!WRITE AHEAD-LOGGING
Family of computer science techniques
write-ahead logging (WAL) is a family of techniques for providing atomicity and durability (two of the ACID properties) in database systems. A write ahead
Write-ahead_logging
Recovery algorithm
main principles lie behind ARIES: Write-ahead logging: Any change to an object is first recorded in the log, and the log must be written to stable storage
Algorithms for Recovery and Isolation Exploiting Semantics
Algorithms_for_Recovery_and_Isolation_Exploiting_Semantics
Serverless relational database management system
tables, and it is relaxed in version 3.7 as write-ahead logging (WAL) enables concurrent reads and writes. Since SQLite has to rely on file-system locks
SQLite
Robustness properties for database transactions
may be read as well. In write ahead logging, durability is guaranteed by writing the prospective change to a persistent log before changing the database
ACID
Free and open-source object relational database management system
collation Online backup Point-in-time recovery, implemented using write-ahead logging In-place upgrades with pg_upgrade for less downtime PostgreSQL can
PostgreSQL
Write Ahead Physical Block Logging (WAPBL) provides meta data journaling for file systems in conjunction with Fast File System (FFS) to accomplish rapid
Write Ahead Physical Block Logging
Write_Ahead_Physical_Block_Logging
Ability to guarantee database transactions
guarantees durability while exploiting the log. In particular, the logging mechanism is called write-ahead log (WAL) and allows durability by buffering
Durability_(database_systems)
Software debugging technique
a high-energy physics experiment, and write-ahead logging). Logs that record program usage (such as a server log) or operating-system events primarily
Tracing_(software)
Data storage technology
of writes to disk. The write hole can be addressed in a few ways: Write-ahead logging. Hardware RAID systems use an onboard nonvolatile cache for this
RAID
History of actions executed by a database management system
aborted) Data logging Error correction and detection Hash function Journaling file system Log-structured file system Write-ahead logging Redo log Federal Standard
Transaction_log
Software library providing embedded database for key/value data
including database transactions, multiversion concurrency control and write-ahead logging. BDB runs on a wide variety of operating systems, including most
Berkeley_DB
Database server and application server
Tarantool maintains data in memory and ensures crash resistance with write-ahead logging and snapshotting. It includes a Lua interpreter and interactive console
Tarantool
many writes on hotspots high in the referential hierarchy (e.g., a file system superblock) at the cost of high commit latency. Write-ahead logging is a
Shadow_paging
Open source distributed database management system
on disk and only 300 will be cached in RAM. Persistence uses the write-ahead logging (WAL) technique for keeping immediate data modifications on disk
Apache_Ignite
Data structure
transactional details such as page-level locking for high concurrency and write-ahead logging for crash recovery. This allows authors of new tree-based indexes
GiST
Database class for storage and retrieval of modeled data
NoSQL systems risk losing data through lost writes or other forms, though features like write-ahead logging—a method to record changes before they’re applied—can
NoSQL
Computer science transaction algorithm
is stable storage at each node with a write-ahead log, no node crashes forever, the data in the write-ahead log is never lost or corrupted in a crash
Two-phase_commit_protocol
Data structure
writes typical of traditional indexing methods. To maintain durability, the system may use a write-ahead log (WAL) that records all incoming writes before
Log-structured_merge-tree
Computer data storage partitioning standard
degraded on write operations, when the drive is forced to perform two read-modify-write operations to satisfy a single misaligned 4,096‑byte write operation
GUID_Partition_Table
Topics referred to by the same term
headquartered in Phoenix, Arizona Wide-angle lens, photographic equipment Write-ahead logging, a database management technique Wallops Flight Facility (IATA: WAL)
Wal
Sharing information to ensure consistency in computing
or statements having side effects. Write-ahead log (WAL) shipping: The storage engine's low-level write-ahead log is replicated, ensuring identical data
Replication_(computing)
Computer log
might need to be completed. Journaling file system Write-ahead logging "Understanding intent logging". Uw714doc.sco.com. 2004-04-22. Retrieved 2014-03-07
Intent_log
Free application for event monitoring and alerting
reduce read overhead. Durability against crashes is provided by a write-ahead log (WAL). Prometheus includes a basic expression browser but is not a
Prometheus_(software)
File system for tracking pending changes
to, the write can simply be replayed to completion when the file system is next mounted. If there is a crash when the write is being logged to the journal
Journaling_file_system
Database management system
nodes. Durability for the in-memory rowstore is implemented with a write-ahead log and snapshots, similar to checkpoints. With default settings, as soon
SingleStore
Microsoft embedded database engine
share files. JET Red makes best effort file recovery, while ESE has write ahead logging and snapshot isolation for guaranteed crash recovery. JET Red before
Extensible_Storage_Engine
Free and open-source database management system
components: Commit Log: A write-ahead log that ensures write durability Memtable: An in-memory data structure that stores writes, sorted by primary key
Apache_Cassandra
List of online backup services Single instance storage CloudEndure Write-ahead logging Behzad Behtash (2010-05-06). "Why Continuous Data Protection's Getting
Continuous_data_protection
Structure of file system that writes all information to a circular buffer
becoming write-heavy since reads would be almost always satisfied from memory cache. A log-structured file system thus treats its storage as a circular log and
Log-structured_file_system
Indian-born American computer scientist
Supporting Fine-Granularity Locking and Partial Rollbacks Using Write-Ahead Logging". ACM Transactions on Database Systems. 17 (1): 94–162. CiteSeerX 10
C._Mohan
Performance measure used in computing
Stoica, Manos Athanassoulis, Anastasia Ailamaki: Scalability of write-ahead logging on multicore and multisocket hardware. VLDB Journal 21(2), 2011:
TATP_Benchmark
SQL relational database management system
database performance was dictated by the time required to read from and write data to hard disk. At that time available CPU was relatively slow and main
Actian_Vector
Unix command to commit all data in the kernel filesystem to non-volatile storage buffers
February 2019. Retrieved 10 February 2019. PostgreSQL Reliability and the Write-Ahead Log Tuning PostgreSQL WAL Synchronization Archived 2009-11-25 at the Wayback
Sync_(Unix)
Component of the Windows operating system
Common Log File System (CLFS) is a general-purpose logging subsystem that is accessible to both kernel-mode as well as user-mode applications for building
Common_Log_File_System
Japanese light novel series
An Observation Log of My Fiancée Who Calls Herself a Villainess (Japanese: 自称悪役令嬢な婚約者の観察記録。, Hepburn: Jishō Akuyaku Reijō na Konyakusha no Kansatsu Kiroku)
An Observation Log of My Fiancée Who Calls Herself a Villainess
An_Observation_Log_of_My_Fiancée_Who_Calls_Herself_a_Villainess
Mechanical device for typing characters
Fantoni developed a particular typewriter to enable his blind sister to write. Between 1801 and 1808, Pellegrino Turri invented a typewriter for his blind
Typewriter
logging from there. There can be severe file system fragmentation in LFS, especially for slowly growing files or multiple simultaneous large writes.
Log-structured File System (BSD)
Log-structured_File_System_(BSD)
Proprietary file system developed by Microsoft
allows read and write access to NTFS volumes. There is a free-for-personal-use read/write driver for MS-DOS by Avira called "NTFS4DOS". Ahead Software developed
NTFS
Word processor
ST Log. "Looking Back At 10 Years Of Microsoft 365 Making History (January 11, 2023)". Microsoft. "New ST Word Processing Entries Microsoft Write". Antic
Microsoft_Word
2023 American action thriller television series
became the streaming service's sixth-most-viewed series. In October 2024, ahead of the second-season premiere, the series was renewed for a third season
The_Night_Agent
English singer and songwriter (born 1960)
family when he was three; the upheaval caused by this event inspired him to write "Holding Back the Years", which would become one of Simply Red's biggest
Mick_Hucknall
American politician (born 1954)
five Vancouver Island First Nations in their campaign to end industrial logging by MacMillan Bloedel in Clayoquot Sound, British Columbia. In 1996, he
Robert_F._Kennedy_Jr.
2026 sci-fi horror film by Markiplier
21, 2023. Blake, Vikki (April 22, 2023). "Markiplier is set to finance, write, and star in a movie adaptation of indie horror, Iron Lung". Eurogamer.
Iron_Lung_(film)
(Republican), property manager and runner-up for this district in 2024 and write-in candidate in 2022 Bob Rowland (Democratic), commercial land broker Steve
2026 United States House of Representatives elections in California
2026_United_States_House_of_Representatives_elections_in_California
Family of utility transport aircraft
humanitarian missions. On November 20, 1981, the project was given a go-ahead by Cessna for its Pawnee engineering facility. John Berwick, chief engineer
Cessna_208_Caravan
Vice President of the United States since 2025
2016). "How the 'Tiger Mom' Convinced the Author of Hillbilly Elegy to Write His Story". The Atlantic. Archived from the original on April 13, 2021.
JD_Vance
packages he will be receiving, before backpedaling and telling him to go right ahead, unconvincingly claiming that they are "totally safe". Rolf later appears
List of The Office (American TV series) characters
List_of_The_Office_(American_TV_series)_characters
American social networking service
it's circulated to a wider audience by Twitter's algorithms; journalists write about the dustup." This can lead to an argument on a Twitter feed looking
X_(social_network)
1985 novel by Larry McMurtry
Duvall, which won both critical and popular acclaim. McMurtry went on to write a sequel, Streets of Laredo (1993), and two prequels, Dead Man's Walk (1995)
Lonesome_Dove
Season of television series
Kazuya Hisada August 10, 2025 (2025-08-10) 2.6% The Marines evacuate Egghead ahead of the Buster Call, but Saturn and Kizaru remain to ensure the island's
One_Piece_season_21
Season of television series
2013). "Exclusive: The Mentalist Promotes Emily Swallow to Series Regular Ahead of Dec. 1 Debut". TV Line. Retrieved November 16, 2013. Porter, Rick (March
The_Mentalist_season_6
addition, University of Maine adjunct professor Andrea LaFlamme is mounting a write-in bid for the Democratic nomination. The Platner/Mills contest was seen
2026 United States Senate election in Maine
2026_United_States_Senate_election_in_Maine
US state criminal case against president
juries ... and the justice system as a whole". This prompted Trump to write online that "'Acting' Justice Merchan, who is a radical partisan, just issued
Prosecution of Donald Trump in New York
Prosecution_of_Donald_Trump_in_New_York
Linux file system
problems[…]." Using a copy-on-write technique known as a log-structured file system, NILFS records all data in a continuous log-like format that is only appended
NILFS
2017 film by James Mangold
following the release of The Wolverine in 2013, with Mangold in negotiations to write the treatment for the film and Lauren Shuler Donner returning to produce
Logan_(film)
Computer software bug occurring in 2038
Embedded systems that use dates for either computation or diagnostic logging are most likely to be affected by the Y2038 problem. Despite the modern
Year_2038_problem
interracial kid in a movie. Just one of those kids out there". Koepp wanted to write an explanation into the script regarding the characters' difference in skin
List of Jurassic Park (franchise) characters
List_of_Jurassic_Park_(franchise)_characters
and Garfiel have a discussion over how far Roswaal has planned everything ahead. 31 20 "Diary of the Dark Work Sisters" Transliteration: "Ura Kagyō Shimai
List_of_Re:Zero_episodes
Characterization of how many integers are prime
_{p,n}{\frac {p^{-ns}}{n}}\;.} Write s = x + iy ; then | ζ ( x + i y ) | = exp ( ∑ n , p cos n y log p n p n x ) . {\displaystyle {\big |}\zeta
Prime_number_theorem
America: Brave New World' Post-Credits Scene Explained: What's Next for Cap Ahead of 'Avengers: Doomsday'?". VARIETY. Variety Media, LLC. Retrieved 1 February
List of films with post-credits scenes
List_of_films_with_post-credits_scenes
List of web series episodes
make it to the other side of the cliff, a burst water pipe propels Fern ahead of him, making Fern the season's winner. Although he intended to not let
List of Battle for Dream Island episodes
List_of_Battle_for_Dream_Island_episodes
2014 film by Christopher Nolan
Obst was attached to produce. By March 2007, Jonathan Nolan was hired to write a screenplay. After Spielberg moved his production studio, DreamWorks Pictures
Interstellar_(film)
sample YouTube playlist page Janakiram, Nundu (March 6, 2012). "Looking ahead in the YouTube player". blog.youtube. Archived from the original on August
History_of_YouTube
American musician (born 1987)
13, 2022. Gillette, Sam (September 23, 2021). "Kevin and Danielle Jonas Write Kids' Book Inspired By Their 'Rock Star' Daughters: They 'Uplift Us'". People
Kevin_Jonas
Divide and conquer sorting algorithm
a related radix sort) that can operate in O(log n) time on a CRCW (concurrent read and concurrent write) PRAM (parallel random-access machine) with n
Quicksort
American science fiction television series
daughter and middle child, a rebellious teenage girl who becomes inspired to write about her experiences. Ignacio Serricchio as Don West, a ship mechanic and
Lost in Space (2018 TV series)
Lost_in_Space_(2018_TV_series)
Peer-to-peer (P2P) filesharing network
donations, users are granted privileges of temporarily automatically jump ahead of non-donating users in a queue when downloading files (but only if the
Soulseek
British spy thriller TV series (2022–present)
weekly basis until the season finale on 29 October 2025. In July 2025, ahead of the fifth series premiere, Apple TV+ renewed for a seventh series which
Slow_Horses
Election of Australia's 48th parliament
into Medicare, lowering the price of child care, ending native forest logging, and Bandt reiterates a policy to wind back some tax concessions. 16 April:
2025 Australian federal election
2025_Australian_federal_election
South Korean boy band
choreograph, or cover songs; Two Kids Song, where the members were paired to write, produce, and record an original song with the same beat sample; and SKZ
Stray_Kids
British rock band
August 2007 in the United States. They rented a house in the country to write songs, but easily became distracted. They then recorded the album in inner-city
Bring_Me_the_Horizon
American right-wing populist political ideology
historians, including many employing new fascism to describe Trumpism, write of the hazards of direct comparisons with European fascist regimes of the
Trumpism
English singer-songwriter (born 1989)
producer" and Healy as the "primary songwriter" of the band. He is known to write songs using typewriters as well as pen and paper for the "commitment that
Matty_Healy
2022 U.S. Supreme Court case on abortion
law is a point of historical debate. The majority opinion in this case writes: "At common law, abortion was criminal in at least some stages of pregnancy
Dobbs v. Jackson Women's Health Organization
Dobbs_v._Jackson_Women's_Health_Organization
Indian actress and model (born 1993)
her career, especially considering that she regularly had to study and write essays on his films during her undergraduate course. For the film, she lost
Malavika_Mohanan
wants to prove that he is still the "Bull of the Woods", he enters the logging contest determined to win - until he is asked to throw the match to save
List of Little House on the Prairie episodes
List_of_Little_House_on_the_Prairie_episodes
2009 film by Neill Blomkamp
Neill Blomkamp revealed on his official Twitter that development was moving ahead on a script for a sequel, titled District 10, with Sharlto Copley and Terri
District_9
trunks bald-headed row Front row at a girlie leg show ball, to play Go ahead balled up Confused, messed up balty, bats in, the belfry Crazy bally nipper
Glossary of early twentieth century slang in the United States
Glossary_of_early_twentieth_century_slang_in_the_United_States
American political commentator (born 1989)
stating in 2020: "Black lives only matter to white liberals every four years—ahead of an election." She has also argued that the American Left likes "black
Candace_Owens
Leader of China since 2012
could not repay their debts to China. Xi has also promised that China would write off debts of some African countries. In 2025, China announced that it would
Xi_Jinping
1993 US law enforcement siege in Texas
continued, Koresh negotiated for more time, allegedly so that he could write religious documents he needed to complete before surrendering. His conversations
Waco_siege
American basketball player (born 1988)
Christian (ed.). "Rockets guard Westbrook tests positive for COVID-19 ahead of Orlando trip". Reuters.com. Retrieved April 10, 2022. MacMahon, Tim (July
Russell_Westbrook
Canadian and American actress and activist (1948–2018)
Damn Fiddler from Calabogie to Kaladar (1968), a drama set in a Canadian logging community, which was produced by the Challenge for Change. Kidder's 1969
Margot_Kidder
American space opera by David Lynch
for Dune from Gibon's consortium. De Laurentiis commissioned Herbert to write a new screenplay in 1978; the script Herbert turned in was 175 pages long
Dune_(1984_film)
Social media platform owned by Meta
Instagram later restricted the ability to view public profiles without logging in, prompting users to sign in after viewing a limited number of posts
Australian bushranger (1854–1880)
attached a carriage of police horses. Hare ordered a pilot engine to scout ahead. One hour later, as the pilot approached Glenrowan, Curnow signalled it
Ned_Kelly
Economic conflict since 2018
Bash, Dana (August 28, 2019). "A rattled Trump scrambles for victories ahead of election". CNN. Archived from the original on March 15, 2021. Retrieved
China–United_States_trade_war
Canadian rapper and singer (born 1986)
Flex aired reference tracks by Miller, who was revealed to have helped write "R.I.C.O.", "10 Bands", and "Know Yourself". This prompted Drake to respond
Drake_(musician)
1984 science fiction novel by William Gibson
were popularised by Neuromancer. Later in 1981, Gibson was commissioned to write a novel by science-fiction editor Terry Carr for his second series of Ace
Neuromancer
French footballer (born 1981)
Championships, and both the 2010 and 2014 editions of the FIFA World Cup. Ahead of the 2010 World Cup, Evra was named captain of the national team by manager
Patrice_Evra
American filmmaker (born 1951)
film to use motion capture, The Polar Express caused The New York Times to write that, "Whatever critics and audiences make of this movie, from a technical
Robert_Zemeckis
Film by Peter Jackson
Englehorn reconsiders the voyage, prompted by his crew's speculation of trouble ahead. During the voyage, Ann and Jack fall in love. The Venture receives a radio
King_Kong_(2005_film)
President of the United States from 2021 to 2025
31, 2024. Aratani, Lauren (December 19, 2023). "Joe Biden plans to ban logging in US old-growth forests in 2025". The Guardian. Retrieved January 31,
Joe_Biden
war dramas like 49th Parallel (1941), Went the Day Well? (1942), The Way Ahead (1944) and Noël Coward and David Lean's celebrated naval film In Which We
History_of_film
2012–2014 trilogy by Peter Jackson
the original trilogy. Before his 111th birthday, the Hobbit Bilbo Baggins writes a story of his adventure for his nephew, Frodo. Many years ago, the Dwarf
The_Hobbit_(film_series)
American comedy-drama television series (1988–1993)
Winnie travels overseas to study art history in Paris. Kevin and Winnie write to each other every week for eight years until she returns; in the concluding
The_Wonder_Years
1993 film by Steven Spielberg
Crichton had mixed feelings about being offered a further $500,000 to write the film adaptation: "I was so tired of the whole area that I didn't really
Jurassic_Park
Political party in the United States
Somewhere: Why Health Reform Happened: Or Why Political Scientists Who Write about Public Policy Shouldn't Assume They Know How to Shape It". Perspectives
Republican Party (United States)
Republican_Party_(United_States)
American gangster and crime boss (1929–2018)
was approached by a man who said, "I'm Jim Bulger and if you continue to write shit about me, I'm going to blow your fucking head off." Corsetti sought
Whitey_Bulger
1956 film by Cecil B. DeMille
Young to write the score proper. However, Young turned down the assignment due to his own failing health, causing DeMille to hire Bernstein to write the underscore
The Ten Commandments (1956 film)
The_Ten_Commandments_(1956_film)
WRITE AHEAD-LOGGING
WRITE AHEAD-LOGGING
Surname or Lastname
English
English : variant spelling of Shedd.Irish : reduced variant of Sheedy.
Boy/Male
Arabic, Muslim
He who Takes to One Side
Surname or Lastname
English (chiefly Kent)
English (chiefly Kent) : from Middle English heved ‘head’, applied as a nickname for someone with some peculiarity or disproportion of the head, or a topographic name for someone who lived on a hill or at the head of a stream or valley. This surname has long been established in Ireland.
Girl/Female
Swedish Celtic
Strong.
Boy/Male
Native American
Ahead.
Surname or Lastname
English, Scottish, and Irish
English, Scottish, and Irish : from Middle English whit ‘white’, hence a nickname for someone with white hair or an unnaturally pale complexion. In some cases it represents a Middle English personal name, from an Old English byname, Hwīt(a), of this origin. As a Scottish and Irish surname it has been widely used as a translation of the many Gaelic names based on bán ‘white’ (see Bain 1) or fionn ‘fair’ (see Finn 1). There has also been some confusion with Wight.Translated form of cognate and equivalent names in other languages, such as German Weiss, French Blanc, Polish Białas (see Bialas), etc.Peregrine White (1620–1704), brother of Resolved, was born in Cape Cod harbor on board the Mayflower, thus becoming the first child of English descent to be born in New England. His father, William White, was the son of the rector of Barham, near Ipswich, Suffolk, England; he died in 1621 during the first winter at Plymouth Colony.
Girl/Female
Bengali, Indian
Season
Boy/Male
Australian, Irish
White; Fair Head
Girl/Female
British, English
Bright; Pure; Name of Colour
Girl/Female
British, Celtic, English, Irish, Swedish
From Britain; Exalted One; To Help
Surname or Lastname
English
English : occupational name for a copier of manuscripts, Old English wrītere.
Boy/Male
British, English
Guard
Boy/Male
Arabic, Indonesian, Russian
Noble
Boy/Male
Indian
Praiseworthy, Commendable
Boy/Male
Indian
Happy
Surname or Lastname
English
English : occupational name for a watchman, Anglo-Norman French waite (of Germanic origin; compare Wachter), or from the same word in its original abstract/collective sense, ‘the watch’. There may also have been some late confusion with White.
Surname or Lastname
Americanized spelling of Dutch and North German Wriedt.English
Americanized spelling of Dutch and North German Wriedt.English : from Old English wride ‘twist’, ‘turn’, hence a topographic name for someone who lived by a winding stream, or perhaps a nickname for a devious man.
Boy/Male
Arabic American Muslim
Much praised. One of many names of the prophet Muhammad.
Boy/Male
Australian, Portuguese
White; Blond; Fair-one
Surname or Lastname
English
English : variant spelling of Read.
WRITE AHEAD-LOGGING
WRITE AHEAD-LOGGING
Girl/Female
Shakespearean
The Winter's Tale' King of Sicilia.
Girl/Female
Australian, Hawaiian, Hebrew
Lover of Nature
Boy/Male
Danish Teutonic Swedish
Girl/Female
Indian
Inset Sweet Sound
Girl/Female
American, Australian, British, Christian, Danish, English, Hebrew
Palm Tree; Twin; Abbreviation of Thomasina; Twin and Tamara; Tamara
Boy/Male
Irish
Dark one.
Girl/Female
Afghan, Arabic, Gujarati, Hindu, Indian, Kannada, Muslim
Purity
Boy/Male
Hindu
Immortal, Long-lived person
Girl/Female
Afghan, Arabic, Muslim
World; Earth
Girl/Female
Hebrew American English
Wished-for child; rebellion; bitter. Famous Bearers: the Virgin Mary; Mary Magdalene; Mary, Queen...
WRITE AHEAD-LOGGING
WRITE AHEAD-LOGGING
WRITE AHEAD-LOGGING
WRITE AHEAD-LOGGING
WRITE AHEAD-LOGGING
v. t.
To set down for reading; to express in legible or intelligible characters; to inscribe; as, to write a deed; to write a bill of divorcement; hence, specifically, to set down in an epistle; to communicate by letter.
Archaic imp. & p. p.
of Write
v. t.
To set down, as legible characters; to form the conveyance of meaning; to inscribe on any material by a suitable instrument; as, to write the characters called letters; to write figures.
n.
The place where the head should go; as, the head of a bed, of a grave, etc.; the head of a carriage, that is, the hood which covers the head.
imp.
of Write
a.
Worn out; common; used until so common as to have lost novelty and interest; hackneyed; stale; as, a trite remark; a trite subject.
n.
A white pigment; as, Venice white.
n.
A headdress; a covering of the head; as, a laced head; a head of hair.
n.
A person with a white skin; a member of the white, or Caucasian, races of men.
obs.
3d pers. sing. pres. of Write, for writeth.
a.
Principal; chief; leading; first; as, the head master of a school; the head man of a tribe; a head chorister; a head cook.
n.
Something having the color of snow; something white, or nearly so; as, the white of the eye.
a.
White as snow; very white.
v. t.
To set on the head; as, to head a cask.
v. t.
To make white; to whiten; to whitewash; to bleach.
v. i.
To be regularly employed or occupied in writing, copying, or accounting; to act as clerk or amanuensis; as, he writes in one of the public offices.
v. t.
To form a head to; to fit or furnish with a head; as, to head a nail.