__generic_file_write_iter (9) - write data to a file
_llseek (2)          - reposition read/write file offset
_sysctl (2)          - read/write system parameters
aio_write (3)        - asynchronous write
Apache2::PerlSections (3pm) - write Apache configuration files in Perl
APR::ThreadRWLock (3pm) - Perl API for APR thread read/write locks
ata_build_rw_tf (9)  - Build ATA taskfile for given read/write request
bdev_write_page (9)  - Start writing a page to a block device
BIO_ctrl_get_write_guarantee (3ssl) - BIO pair BIO
BIO_get_write_buf_size (3ssl) - BIO pair BIO
BIO_get_write_guarantee (3ssl) - BIO pair BIO
BIO_set_write_buf_size (3ssl) - BIO pair BIO
BIO_should_write (3ssl) - BIO retry functions
BIO_write (3ssl)     - BIO I/O functions
BIO_write_filename (3ssl) - FILE bio
blk_queue_max_write_same_sectors (9) - set max sectors for a single write same
blk_queue_write_cache (9) - configure queue's write cache
blkdev_issue_write_same (9) - queue a write same operation
bsd-write (1)        - send a message to another user
bzero (3)            - write zero-valued bytes
check_create (9)     - [GENERIC] create and write bbt(s) if necessary
CPAN::Meta::YAML (3perl) - Read and write a subset of YAML for CPAN Meta files
CREATE_RULE (7)      - define a new rewrite rule
db5.3_dump (1)       - Write database to flat-text format
DBI::DBD (3pm)       - Perl DBI Database Driver Writer's Guide
debugfs_create_atomic_t (9) - create a debugfs file that is used to read and ...
debugfs_create_bool (9) - create a debugfs file that is used to read and writ...
debugfs_create_size_t (9) - create a debugfs file that is used to read and wr...
debugfs_create_u16 (9) - create a debugfs file that is used to read and write...
debugfs_create_u32 (9) - create a debugfs file that is used to read and write...
debugfs_create_u64 (9) - create a debugfs file that is used to read and write...
debugfs_create_u8 (9) - create a debugfs file that is used to read and write ...
debugfs_create_ulong (9) - create a debugfs file that is used to read and wri...
debugfs_create_x16 (9) - create a debugfs file that is used to read and write...
debugfs_create_x32 (9) - create a debugfs file that is used to read and write...
debugfs_create_x64 (9) - create a debugfs file that is used to read and write...
debugfs_create_x8 (9) - create a debugfs file that is used to read and write ...
DES_enc_write (3ssl) - DES encryption
DROP_RULE (7)        - remove a rewrite rule
encoding (3perl)     - allows you to write your script in non-ascii or non-utf8
end_page_writeback (9) - end writeback against a page
eventfd_write (3)    - create a file descriptor for event notification
ExtUtils::Manifest (3perl) - utilities to write and check a MANIFEST file
ExtUtils::Miniperl (3perl) - write the C code for perlmain.c
ExtUtils::Mksymlists (3perl) - write linker options files for dynamic extension
ExtUtils::Typemaps (3perl) - Read/Write/Modify Perl/XS typemap files
fault_in_user_writeable (9) - Fault in user address and verify RW access
filemap_fdatawait (9) - wait for all under-writeback pages to complete
filemap_fdatawait_range (9) - wait for writeback to complete
filemap_write_and_wait_range (9) - write out & wait on a file range
fputwc (3)           - write a wide character to a FILE stream
fputws (3)           - write a wide-character string to a FILE stream
fsl_local_config_write (9) - Generate a MPC85xx local config space write
fsl_rio_config_write (9) - Generate a MPC85xx write maintenance transaction
fwrite (3)           - binary stream input/output
fwrite_unlocked (3)  - nonlocking stdio functions
generic_file_write_iter (9) - write data to a file
generic_writepages (9) - walk the list of dirty pages of the given address sp...
genphy_config_aneg (9) - restart auto-negotiation or write BMCR
git-filter-branch (1) - Rewrite branches
git-write-tree (1)   - Create a tree object from the current index
grotty (1)           - groff driver for typewriter-like devices
hsi_async_write (9)  - Submit a write transfer
httxt2dbm (1)        - Generate dbm files for use with RewriteMap
i2c_smbus_write_block_data (9) - SMBus “block write” protocol
i2c_smbus_write_byte (9) - SMBus “send byte” protocol
i2c_smbus_write_byte_data (9) - SMBus “write byte” protocol
i2c_smbus_write_word_data (9) - SMBus “write word” protocol
IO::AtomicFile (3pm) - write a file which is updated atomically
IO::Compress::Bzip2 (3perl) - Write bzip2 files/buffers
IO::Compress::Deflate (3perl) - Write RFC 1950 files/buffers
IO::Compress::Gzip (3perl) - Write RFC 1952 files/buffers
IO::Compress::RawDeflate (3perl) - Write RFC 1951 files/buffers
IO::Compress::Zip (3perl) - Write zip files/buffers
iter_file_splice_write (9) - splice data from a pipe to a file
jbd2_journal_get_write_access (9) - notify intent to modify a buffer for meta...
jbd2_journal_set_triggers (9) - Add triggers for commit writeout
llseek (2)           - reposition read/write file offset
login (3)            - write utmp and wtmp entries
logout (3)           - write utmp and wtmp entries
lseek (2)            - reposition read/write file offset
lseek64 (3)          - reposition 64-bit read/write file offset
mark_buffer_dirty (9) - mark a buffer_head as needing writeout
mdiobus_write (9)    - Convenience function for writing a given MII mgmt regi...
mdiobus_write_nested (9) - Nested version of the mdiobus_write function
mesg (1)             - control write access to your terminal
mpage_writepages (9) - walk the list of dirty pages of the given address spac...
mpt_print_ioc_summary (9) - Write ASCII summary of IOC to a buffer.
mptscsih_set_scsi_lookup (9) - write a scmd entry into the ScsiLookup[] array...
mptspi_print_write_nego (9) - negotiation parameters debug info that is being...
mptspi_writeIOCPage4 (9) - write IOC Page 4
nand_check_wp (9)    - [GENERIC] check if the chip is write protected
nand_do_write_oob (9) - [MTD Interface] NAND write out-of-band
nand_do_write_ops (9) - [INTERN] NAND write with ECC
nand_write (9)       - [MTD Interface] NAND write with ECC
nand_write_buf (9)   - [DEFAULT] write buffer to chip
nand_write_buf16 (9) - [DEFAULT] write buffer to chip
nand_write_byte (9)  - [DEFAULT] write single byte to chip
nand_write_byte16 (9) - [DEFAULT] write single byte to a chip with width 16
nand_write_oob (9)   - [MTD Interface] NAND write data and/or out-of-band
nand_write_oob_std (9) - [REPLACEABLE] the most common OOB data write function
nand_write_oob_syndrome (9) - [REPLACEABLE] OOB data write function for HW EC...
nand_write_page (9)  - [REPLACEABLE] write one page
nand_write_page_hwecc (9) - [REPLACEABLE] hardware ECC based page write function
nand_write_page_raw (9) - [INTERN] raw page write function
nand_write_page_raw_syndrome (9) - [INTERN] raw page write function
nand_write_page_swecc (9) - [REPLACEABLE] software ECC based page write function
nand_write_page_syndrome (9) - [REPLACEABLE] hardware ECC syndrome based page...
nand_write_subpage_hwecc (9) - [REPLACEABLE] hardware ECC based subpage write
netdev_txq_bql_complete_prefetchw (9) - prefetch bql data for write
netdev_txq_bql_enqueue_prefetchw (9) - prefetch bql data for write
panic_nand_write (9) - [MTD Interface] NAND write with ECC
parport_write (9)    - write a block of data to a parallel port
pax (1)              - read and write file archives and copy directory hierar...
pci_cfg_access_lock (9) - Lock PCI config reads/writes
pci_cfg_access_trylock (9) - try to lock PCI config reads/writes
pci_cfg_access_unlock (9) - Unlock PCI config reads/writes
pci_clear_mwi (9)    - disables Memory-Write-Invalidate for device dev
pci_set_mwi (9)      - enables memory-write-invalidate PCI transaction
pci_try_set_mwi (9)  - enables memory-write-invalidate PCI transaction
pci_write_legacy_io (9) - write byte(s) to legacy I/O port space
pci_write_rom (9)    - used to enable access to the PCI ROM display
pci_write_vpd (9)    - Write entry to Vital Product Data
pciconfig_write (2)  - pci device information handling
PEM_write_bio_CMS_stream (3ssl) - output CMS_ContentInfo structure in PEM for...
PEM_write_bio_DHparams (3ssl) - PEM routines
PEM_write_bio_DSA_PUBKEY (3ssl) - PEM routines
PEM_write_bio_DSAparams (3ssl) - PEM routines
PEM_write_bio_DSAPrivateKey (3ssl) - PEM routines
PEM_write_bio_NETSCAPE_CERT_SEQUENCE (3ssl) - PEM routines
PEM_write_bio_PKCS7 (3ssl) - PEM routines
PEM_write_bio_PKCS7_stream (3ssl) - output PKCS7 structure in PEM format.
PEM_write_bio_PKCS8PrivateKey (3ssl) - PEM routines
PEM_write_bio_PKCS8PrivateKey_nid (3ssl) - PEM routines
PEM_write_bio_PrivateKey (3ssl) - PEM routines
PEM_write_bio_PUBKEY (3ssl) - PEM routines
PEM_write_bio_RSA_PUBKEY (3ssl) - PEM routines
PEM_write_bio_RSAPrivateKey (3ssl) - PEM routines
PEM_write_bio_RSAPublicKey (3ssl) - PEM routines
PEM_write_bio_X509 (3ssl) - PEM routines
PEM_write_bio_X509_AUX (3ssl) - PEM routines
PEM_write_bio_X509_CRL (3ssl) - PEM routines
PEM_write_bio_X509_REQ (3ssl) - PEM routines
PEM_write_bio_X509_REQ_NEW (3ssl) - PEM routines
PEM_write_DHparams (3ssl) - PEM routines
PEM_write_DSA_PUBKEY (3ssl) - PEM routines
PEM_write_DSAparams (3ssl) - PEM routines
PEM_write_DSAPrivateKey (3ssl) - PEM routines
PEM_write_NETSCAPE_CERT_SEQUENCE (3ssl) - PEM routines
PEM_write_PKCS7 (3ssl) - PEM routines
PEM_write_PKCS8PrivateKey (3ssl) - PEM routines
PEM_write_PKCS8PrivateKey_nid (3ssl) - PEM routines
PEM_write_PrivateKey (3ssl) - PEM routines
PEM_write_PUBKEY (3ssl) - PEM routines
PEM_write_RSA_PUBKEY (3ssl) - PEM routines
PEM_write_RSAPrivateKey (3ssl) - PEM routines
PEM_write_RSAPublicKey (3ssl) - PEM routines
PEM_write_X509 (3ssl) - PEM routines
PEM_write_X509_AUX (3ssl) - PEM routines
PEM_write_X509_CRL (3ssl) - PEM routines
PEM_write_X509_REQ (3ssl) - PEM routines
PEM_write_X509_REQ_NEW (3ssl) - PEM routines
perlpragma (1)       - how to write a user pragma
pg_receivewal (1)    - stream write-ahead logs from a PostgreSQL server
pg_resetwal (1)      - reset the write-ahead log and other control informatio...
pg_waldump (1)       - display a human-readable rendering of the write-ahead ...
phy_write_mmd_indirect (9) - writes data to the MMD registers
Pod::Simple::Subclassing (3perl) - - write a formatter as a Pod::Simple subclass
pread (2)            - read from or write to a file descriptor at a given offset
pread64 (2)          - read from or write to a file descriptor at a given offset
preadv (2)           - read or write data into multiple buffers
proc_scsi_write (9)  - handle writes to /proc/scsi/scsi
process_vm_writev (2) - transfer data between process address spaces
putgrent (3)         - write a group database entry to a file
putpwent (3)         - write a password file entry
putwc (3)            - write a wide character to a FILE stream
putwchar (3)         - write a wide character to standard output
pwrite (2)           - read from or write to a file descriptor at a given offset
pwrite64 (2)         - read from or write to a file descriptor at a given offset
pwritev (2)          - read or write data into multiple buffers
RAND_write_file (3ssl) - PRNG seed file
readv (2)            - read or write data into multiple buffers
rio_add_mport_pw_handler (9) - add port-write message handler into the list o...
rio_del_mport_pw_handler (9) - remove port-write message handler from the lis...
rio_inb_pwrite_handler (9) - inbound port-write message handler
rio_local_write_config_16 (9) - Write 16 bits to local configuration space
rio_local_write_config_32 (9) - Write 32 bits to local configuration space
rio_local_write_config_8 (9) - Write 8 bits to local configuration space
RIO_LOP_WRITE (9)    - Generate rio_local_write_config_* functions
RIO_OP_WRITE (9)     - Generate rio_mport_write_config_* functions
rio_pw_enable (9)    - Enables/disables port-write handling by a master port
rio_release_inb_pwrite (9) - release inbound port-write message service assoc...
rio_request_inb_pwrite (9) - request inbound port-write message service for s...
rio_write_config_16 (9) - Write 16 bits to configuration space
rio_write_config_32 (9) - Write 32 bits to configuration space
rio_write_config_8 (9) - Write 8 bits to configuration space
rwarray (3am)        - write and read gawk arrays to/from files
sata_scr_write (9)   - write SCR register of the specified port
sata_scr_write_flush (9) - write SCR register of the specified port and flush
sb_end_intwrite (9)  - drop write access to a superblock for internal fs purp...
sb_end_pagefault (9) - drop write access to a superblock from a page fault
sb_end_write (9)     - drop write access to a superblock
sb_start_pagefault (9) - get write access to a superblock from a page fault
sb_start_write (9)   - get write access to a superblock
seq_pad (9)          - write padding spaces to buffer
seq_write (9)        - write arbitrary data to buffer
shred (1)            - overwrite a file to hide its contents, and optionally ...
sk_stream_write_space (9) - stream socket write_space callback.
sk_wmem_alloc_get (9) - returns write allocations
slapo-rwm (5)        - rewrite/remap overlay to slapd
SMIME_write_CMS (3ssl) - convert CMS structure to S/MIME format.
SMIME_write_PKCS7 (3ssl) - convert PKCS#7 structure to S/MIME format.
snd_ac97_write (9)   - write a value on the given register
snd_ac97_write_cache (9) - write a value on the given register and update the...
snd_soc_component_update_bits (9) - Perform read/modify/write cycle
snd_soc_component_update_bits_async (9) - Perform asynchronous read/modify/wr...
snd_soc_component_write (9) - Write register value
SPI_exec (3)         - execute a read/write command
SPI_execp (3)        - execute a statement in read/write mode
spi_w8r16 (9)        - SPI synchronous 8 bit write followed by 16 bit read
spi_w8r16be (9)      - SPI synchronous 8 bit write followed by 16 bit big-end...
spi_w8r8 (9)         - SPI synchronous 8 bit write followed by 8 bit read
spi_write (9)        - SPI synchronous write
spi_write_then_read (9) - SPI synchronous write followed by read
SSL_want_write (3ssl) - obtain state information TLS/SSL I/O operation
SSL_write (3ssl)     - write bytes to a TLS/SSL connection.
struct_nand_buffers (9) - buffer structure for read/write
struct_spi_transfer (9) - a read/write buffer pair
sync_inode (9)       - write an inode and its pages to disk.
sync_inode_metadata (9) - write an inode to disk
sync_mapping_buffers (9) - write out & wait upon a mapping's “associated”...
sysctl (2)           - read/write system parameters
systemd-update-utmp (8) - Write audit and utmp updates at bootup, runlevel ch...
systemd-update-utmp-runlevel.service (8) - Write audit and utmp updates at bo...
systemd-update-utmp.service (8) - Write audit and utmp updates at bootup, run...
tag_pages_for_writeback (9) - tag pages to be written by write_cache_pages
TAP::Parser::YAMLish::Writer (3perl) - Write YAMLish data
tee (1)              - read from standard input and write to standard output ...
trace_puts (9)       - write a string into the ftrace buffer
trivial-rewrite (8postfix) - Postfix address rewriting and resolving daemon
try_to_writeback_inodes_sb (9) - try to start writeback if none underway
try_to_writeback_inodes_sb_nr (9) - try to start writeback if none underway
uart_console_write (9) - write a console message to a serial port
w1_post_write (9)    - post-write options
w1_pre_write (9)     - pre-write operations
w1_read_bit (9)      - Generates a write-1 cycle and samples the level.
w1_touch_bit (9)     - Generates a write-0 or write-1 cycle and samples the l...
w1_write_8 (9)       - Writes 8 bits.
w1_write_bit (9)     - Generates a write-0 or write-1 cycle.
w1_write_block (9)   - Writes a series of bytes.
wait_for_stable_page (9) - wait for writeback to finish, if necessary.
wall (1)             - write a message to all users
wbc_account_io (9)   - account IO issued during writeback
write (1)            - send a message to another user
write (2)            - write to a file descriptor
write_bbt (9)        - [GENERIC] (Re)write the bad block table
write_cache_pages (9) - walk the list of dirty pages of the given address spa...
write_inode_now (9)  - write an inode to disk
write_one_page (9)   - write out a single page and optionally wait on I/O
write_zsctrl (9)     - Write to a Z8530 control register
write_zsdata (9)     - Write to a Z8530 control register
write_zsreg (9)      - Write to a Z8530 channel register
writeback_inodes_sb (9) - writeback dirty inodes from given super_block
writeback_inodes_sb_nr (9) - writeback dirty inodes from given super_block
writev (2)           - read or write data into multiple buffers
xdr_write_pages (9)  - Insert a list of pages into an XDR buffer for sending
xprt_reserve_xprt (9) - serialize write access to transports
xprt_write_space (9) - wake the task waiting for transport output buffer space
YAML::Tiny (3pm)     - Read/Write YAML files with as little code as possible
z8530_write_port (9) - Architecture specific interface function
zipnote (1)          - write the comments in zipfile to stdout, edit comments...