write(8) - phpMan

_llseek (2)          - reposition read/write file offset
_sysctl (2)          - read/write system parameters
aio_write (3)        - asynchronous write
aio_write (3p)       - asynchronous write to a file (REALTIME)
btrfs-select-super (8) - overwrite primary superblock with a backup copy
bzero (3)            - write zero-valued bytes
cache_writeback (8)  - writeback dirty blocks to the origin device.
cksum (1p)           - write file checksums and sizes
CPAN::Meta::YAML (3pm) - Read and write a subset of YAML for CPAN Meta files
creat (3p)           - create a new file or rewrite an existing one
date (1p)            - write the date and time
db_dump (1)          - Write database file using flat-text format
db_dump185 (1)       - Write database file using flat-text format
DBI::DBD (3pm)       - Perl DBI Database Driver Writer's Guide
echo (1p)            - write arguments to standard output
encoding (3pm)       - allows you to write your script in non-ascii or non-utf8
eventfd_write (3)    - create a file descriptor for event notification
ExtUtils::Manifest (3pm) - utilities to write and check a MANIFEST file
ExtUtils::Miniperl (3pm) - write the C code for perlmain.c
ExtUtils::Mksymlists (3pm) - write linker options files for dynamic extension
ExtUtils::Typemaps (3pm) - Read/Write/Modify Perl/XS typemap files
fputwc (3)           - write a wide character to a FILE stream
fputws (3)           - write a wide-character string to a FILE stream
fwrite (3)           - binary stream input/output
fwrite (3p)          - binary output
fwrite_unlocked (3)  - nonlocking stdio functions
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
httxt2dbm (1)        - Generate dbm files for use with RewriteMap
IO::Compress::Bzip2 (3pm) - Write bzip2 files/buffers
IO::Compress::Deflate (3pm) - Write RFC 1950 files/buffers
IO::Compress::Gzip (3pm) - Write RFC 1952 files/buffers
IO::Compress::RawDeflate (3pm) - Write RFC 1951 files/buffers
IO::Compress::Zip (3pm) - Write zip files/buffers
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
lseek (3p)           - move the read/write file offset
lseek64 (3)          - reposition 64-bit read/write file offset
mesg (1)             - control write access to your terminal
mogrify (1)          - resize an image, blur, crop, despeckle, dither, draw o...
nm (1p)              - write the name list of an object file (DEVELOPMENT)
perlpragma (1)       - how to write a user pragma
perror (3p)          - write error messages to standard error
Pod::Simple::Subclassing (3pm) - - 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
printf (1p)          - write formatted output
process_vm_writev (2) - transfer data between process address spaces
pthread_rwlock_destroy (3p) - destroy and initialize a read-write lock object
pthread_rwlock_init (3p) - destroy and initialize a read-write lock object
pthread_rwlock_rdlock (3p) - lock a read-write lock object for reading
pthread_rwlock_timedrdlock (3p) - lock a read-write lock for reading
pthread_rwlock_timedwrlock (3p) - lock a read-write lock for writing
pthread_rwlock_tryrdlock (3p) - lock a read-write lock object for reading
pthread_rwlock_trywrlock (3p) - lock a read-write lock object for writing
pthread_rwlock_unlock (3p) - unlock a read-write lock object
pthread_rwlock_wrlock (3p) - lock a read-write lock object for writing
pthread_rwlockattr_destroy (3p) - destroy and initialize the read-write lock ...
pthread_rwlockattr_getpshared (3p) - get and set the process-shared attribute...
pthread_rwlockattr_init (3p) - destroy and initialize the read-write lock att...
pthread_rwlockattr_setpshared (3p) - get and set the process-shared attribute...
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
pwrite (3p)          - write on a file
pwrite64 (2)         - read from or write to a file descriptor at a given offset
pwritev (2)          - read or write data into multiple buffers
readv (2)            - read or write data into multiple buffers
shred (1)            - overwrite a file to hide its contents, and optionally ...
sync (1)             - Synchronize cached writes to persistent storage
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...
TAP::Parser::YAMLish::Writer (3pm) - Write YAMLish data
tee (1)              - read from standard input and write to standard output ...
times (1p)           - write process times
trivial-rewrite (8)  - Postfix address rewriting and resolving daemon
type (1p)            - write a description of command type
write (1)            - send a message to another user
write (1p)           - write to another user
write (2)            - write to a file descriptor
write (3p)           - write on a file
writev (2)           - read or write data into multiple buffers
writev (3p)          - write a vector
x86_energy_perf_policy (8) - read or write MSR_IA32_ENERGY_PERF_BIAS
XML::Simple (3pm)    - Easily read/write XML (esp config files)
YAML::Tiny (3pm)     - Read/Write YAML files with as little code as possible
yum-debug-dump (1)   - write system RPM configuration to a debug-dump file
zipnote (1)          - write the comments in zipfile to stdout, edit comments...