add_to_page_cache_locked (9) - add a locked page to the pagecache
apt-cache (8)        - query the APT cache
AptPkg::Cache (3pm)  - APT package cache interface
arp (8)              - manipulate the system ARP cache
ata_scsi_flush_xlat (9) - Translate SCSI SYNCHRONIZE CACHE command
avc_cache_stats (3)  - obtain userspace SELinux AVC statistics
blk_queue_write_cache (9) - configure queue's write cache
Cache::BaseCache (3pm) - - abstract cache base class
Cache::BaseCacheTester (3pm) - - abstract cache tester base class
Cache::Cache (3pm)   - - the Cache interface.
Cache::CacheMetaData (3pm) - - data about objects in the cache
Cache::CacheSizer (3pm) - - component object for mamanging the size of caches
Cache::CacheTester (3pm) - - a class for regression testing caches
Cache::CacheUtils (3pm) - - miscellaneous utility routines
Cache::FileBackend (3pm) - - a filesystem based persistance mechanism
Cache::FileCache (3pm) - - implements the Cache interface.
Cache::MemoryBackend (3pm) - - a memory based persistance mechanism
Cache::MemoryCache (3pm) - - implements the Cache interface.
Cache::NullCache (3pm) - - implements the Cache interface.
Cache::Object (3pm)  - - the data stored in a Cache.
Cache::SharedMemoryBackend (3pm) - - a shared memory based persistance mechanism
Cache::SharedMemoryCache (3pm) - - extends the MemoryCache.
Cache::SizeAwareCache (3pm) - - extends the Cache interface.
Cache::SizeAwareCacheTester (3pm) - - a class for regression testing size awa...
Cache::SizeAwareFileCache (3pm) - - extends Cache::FileCache
Cache::SizeAwareMemoryCache (3pm) - - extends Cache::MemoryCache
Cache::SizeAwareSharedMemoryCache (3pm) - - extends Cache::SizeAwareMemoryCache
cacheflush (2)       - flush contents of instruction and/or data cache
d_alloc (9)          - allocate a dcache entry
d_invalidate (9)     - detach submounts, prune dcache, and drop
DBI::Util::CacheMemory (3pm) - a very fast but very minimal subset of Cache::...
delete_from_page_cache (9) - delete page from page cache
dh_icons (1)         - Update caches of Freedesktop icons
dnscache (8)         - a DNS cache.
dnscache-conf (8)    - sets up a DNS cache service.
dwww-cache (8)       - manage the dwww cache of converted documents
dwww-refresh-cache (8) - rebuilds dwww cache directory
estwolefind (1)      - listing WWWOFFLE cache for hyper estraier
eth_header_cache (9) - fill cache entry from neighbour
eth_header_cache_update (9) - update cache entry
fc-cache (1)         - build font information cache files
fc-cat (1)           - read font information cache files
FileCache (3perl)    - keep more files open than the system permits
find_get_entry (9)   - find and get a page cache entry
find_get_pages_contig (9) - gang contiguous pagecache lookup
find_inode_nowait (9) - find an inode in the inode cache
find_lock_entry (9)  - locate, pin and lock a page cache entry
git-credential-cache (1) - Helper to temporarily store passwords in memory
git-credential-cache--daemon (1) - Temporarily store user credentials in memory
gpg-preset-passphrase (1) - Put a passphrase into gpg-agent's cache
gtk-update-icon-cache (1) - Icon theme caching utility
htcacheclean (8)     - Clean up the disk cache
HTML::Mason::Cache::BaseCache (3pm) - Base cache object
iconvconfig (8)      - create iconv module configuration cache
ida_destroy (9)      - release all cached layers within an ida tree
idr_destroy (9)      - release all cached layers within an idr tree
ilookup (9)          - search for an inode in the inode cache
ilookup5 (9)         - search for an inode in the inode cache
ilookup5_nowait (9)  - search for an inode in the inode cache
ioremap_nocache (9)  - map bus memory into CPU space
ip-mroute (8)        - multicast routing cache management
kmem_cache_alloc (9) - Allocate an object
kmem_cache_alloc_node (9) - Allocate an object on the specified node
kmem_cache_free (9)  - Deallocate an object
lvmcache (7)         - LVM caching
lvmetad (8)          - LVM metadata cache daemon
LWP::ConnCache (3pm) - Connection cache manager
Mail::SpamAssassin::AICache (3pm) - provide access to cached information for ...
mandb (8)            - create or update the manual page index caches
Mason::CodeCache (3pm) - Result returned from Mason request
memcache_table (5)   - Postfix memcache client configuration
mptscsih_synchronize_cache (9) - Send SYNCHRONIZE_CACHE to all disks.
nr_free_pagecache_pages (9) - count number of pages beyond high watermark
page_cache_async_readahead (9) - file readahead for marked pages
page_cache_next_hole (9) - find the next hole (not-present entry)
page_cache_prev_hole (9) - find the prev hole (not-present entry)
page_cache_sync_readahead (9) - generic file readahead
pagecache_get_page (9) - find and get a page reference
pagecache_isize_extended (9) - update pagecache after extension of i_size
pam_timestamp (8)    - Authenticate using cached successful authentication at...
pci_set_cacheline_size (9) - ensure the CACHE_LINE_SIZE register is programmed
proc_flush_task (9)  - Remove dcache entries for task from the /proc dcache.
read_cache_page (9)  - read into page cache, fill it if needed
read_cache_page_gfp (9) - read into page cache, using specified page allocati...
read_cache_pages (9) - populate an address space with some pages & start read...
readahead (2)        - initiate file readahead into page cache
replace_page_cache_page (9) - replace a pagecache page with a new one
rq_flush_dcache_pages (9) - Helper function to flush all pages in a request
rrdflushcached (1)   - Flush the values for a spcific RRD file from memory.
scache (8postfix)    - Postfix shared connection cache server
shrink_dcache_parent (9) - prune dcache
shrink_dcache_sb (9) - shrink dcache for a superblock
slabtop (1)          - display kernel slab cache information in real time
slapo-pcache (5)     - proxy cache overlay to slapd
snd_ac97_write_cache (9) - write a value on the given register and update the...
snd_ctl_add_slave_uncached (9) - Add a virtual slave control
snd_soc_cache_sync (9) - Sync the register cache with the hardware
SSL_add_session (3ssl) - manipulate session cache
SSL_CTX_add_session (3ssl) - manipulate session cache
SSL_CTX_get_session_cache_mode (3ssl) - enable/disable session caching
SSL_CTX_remove_session (3ssl) - manipulate session cache
SSL_CTX_sess_accept (3ssl) - obtain session cache statistics
SSL_CTX_sess_accept_good (3ssl) - obtain session cache statistics
SSL_CTX_sess_accept_renegotiate (3ssl) - obtain session cache statistics
SSL_CTX_sess_cache_full (3ssl) - obtain session cache statistics
SSL_CTX_sess_cb_hits (3ssl) - obtain session cache statistics
SSL_CTX_sess_connect (3ssl) - obtain session cache statistics
SSL_CTX_sess_connect_good (3ssl) - obtain session cache statistics
SSL_CTX_sess_connect_renegotiate (3ssl) - obtain session cache statistics
SSL_CTX_sess_get_cache_size (3ssl) - manipulate session cache size
SSL_CTX_sess_hits (3ssl) - obtain session cache statistics
SSL_CTX_sess_misses (3ssl) - obtain session cache statistics
SSL_CTX_sess_number (3ssl) - obtain session cache statistics
SSL_CTX_sess_set_cache_size (3ssl) - manipulate session cache size
SSL_CTX_sess_timeouts (3ssl) - obtain session cache statistics
SSL_CTX_sessions (3ssl) - access internal session cache
SSL_CTX_set_session_cache_mode (3ssl) - enable/disable session caching
SSL_remove_session (3ssl) - manipulate session cache
struct_usb_interface_cache (9) - long-term representation of a device interface
sync (2)             - commit buffer cache to disk
syncfs (2)           - commit buffer cache to disk
tag_pages_for_writeback (9) - tag pages to be written by write_cache_pages
tlsmgr (8postfix)    - Postfix TLS session cache and PRNG manager
truncate_pagecache (9) - unmap and remove pagecache that has been truncated
truncate_pagecache_range (9) - unmap and remove pagecache that is hole-punched
truncate_setsize (9) - update inode and pagecache for a new file size
unmap_kernel_range (9) - unmap kernel VM area and flush cache and TLB
update-icon-caches (8) - Update wrapper script for the icon caches
update-mime-database (1) - a program to build the Shared MIME-Info database c...
vgscan (8)           - scan all disks for volume groups and rebuild caches
wcmgr (1)            - Webalizer (DNS) Cache file Manager
write_cache_pages (9) - walk the list of dirty pages of the given address spa...