explain (7)          - show the execution plan of a statement
ausearch-expression (5) - audit search expression format
bzgrep (1)           - search possibly bzip2 compressed files for a regular e...
certwatch (1)        - generate SSL certificate expiry warnings
cexp (3)             - complex exponential function
cexp (3p)            - complex exponential functions
cexp2 (3)            - base-2 exponent of a complex number
cexp2f (3)           - base-2 exponent of a complex number
cexp2l (3)           - base-2 exponent of a complex number
cexpf (3)            - complex exponential function
cexpf (3p)           - complex exponential functions
cexpl (3)            - complex exponential function
cexpl (3p)           - complex exponential functions
chage (1)            - change user password expiry information
cupsaddsmb (8)       - export printers to samba for windows clients
dn_expand (3)        - resolver routines
doveadm-expunge (1)  - Expunge messages matching given search query
exp (3)              - base-e exponential function
exp (3p)             - exponential function
exp10 (3)            - base-10 exponential function
exp10f (3)           - base-10 exponential function
exp10l (3)           - base-10 exponential function
exp2 (3)             - base-2 exponential function
exp2 (3p)            - exponential base 2 functions
exp2f (3)            - base-2 exponential function
exp2f (3p)           - exponential base 2 functions
exp2l (3)            - base-2 exponential function
exp2l (3p)           - exponential base 2 functions
expand (1)           - convert tabs to spaces
expand (1p)          - convert tabs to spaces
expf (3)             - base-e exponential function
expf (3p)            - exponential function
expl (3)             - base-e exponential function
expl (3p)            - exponential function
expm1 (3)            - exponential minus 1
expm1 (3p)           - compute exponential functions
expm1f (3)           - exponential minus 1
expm1f (3p)          - compute exponential functions
expm1l (3)           - exponential minus 1
expm1l (3p)          - compute exponential functions
export (1)           - bash built-in commands, see bash(1)
export (1p)          - set the export attribute for variables
Exporter (3pm)       - Implements default import method for modules
Exporter::Heavy (3pm) - Exporter guts
exportfs (8)         - maintain table of exported NFS file systems
exports (5)          - NFS server export table
expr (1)             - evaluate expressions
expr (1p)            - evaluate arguments as an expression
frexp (3)            - convert floating-point number to fractional and integr...
frexp (3p)           - extract mantissa and exponent from a double precision ...
frexpf (3)           - convert floating-point number to fractional and integr...
frexpf (3p)          - extract mantissa and exponent from a double precision ...
frexpl (3)           - convert floating-point number to fractional and integr...
frexpl (3p)          - extract mantissa and exponent from a double precision ...
function::print_ubacktrace (3stap) - Print stack back trace for current task....
function::print_ubacktrace_brief (3stap) - Print stack back trace for current...
function::print_ustack (3stap) - Print out stack for the current task from st...
function::sprint_backtrace (3stap) - Return stack back trace as string (EXPER...
function::sprint_stack (3stap) - Return stack for kernel addresses from strin...
function::sprint_ubacktrace (3stap) - Return stack back trace for current tas...
function::sprint_ustack (3stap) - Return stack for the current task from stri...
function::uaddr (3stap) - User space address of current running task (EXPERIM...
function::ubacktrace (3stap) - Hex backtrace of current task stack. EXPERIMEN...
function::umodname (3stap) - Returns the (short) name of the user module. EXP...
function::usymdata (3stap) - Return the symbol and module offset of an addres...
function::usymname (3stap) - Return the symbol of an address in the current t...
get_kernel_syms (2)  - retrieve exported kernel and module symbols
getc_unlocked (3p)   - stdio with explicit client locking
getchar_unlocked (3p) - stdio with explicit client locking
git-fast-export (1)  - Git data exporter
gunzip (1)           - compress or expand files
gzip (1)             - compress or expand files
ilogb (3)            - get integer exponent of a floating-point value
ilogb (3p)           - return an unbiased exponent
ilogbf (3)           - get integer exponent of a floating-point value
ilogbf (3p)          - return an unbiased exponent
ilogbl (3)           - get integer exponent of a floating-point value
ilogbl (3p)          - return an unbiased exponent
ldexp (3)            - multiply floating-point number by integral power of 2
ldexp (3p)           - load exponent of a floating-point number
ldexpf (3)           - multiply floating-point number by integral power of 2
ldexpf (3p)          - load exponent of a floating-point number
ldexpl (3)           - multiply floating-point number by integral power of 2
ldexpl (3p)          - load exponent of a floating-point number
ldns-rrsig (1)       - print out the inception and expiration dates in human ...
ldns_buffer_export (3) - (unknown subject)
ldns_key_expiration (3) - (unknown subject)
ldns_key_set_expiration (3) - (unknown subject)
ldns_rr_rrsig_expiration (3) - (unknown subject)
ldns_rr_rrsig_set_expiration (3) - (unknown subject)
lessecho (1)         - expand metacharacters
logb (3)             - get exponent of a floating-point value
logb (3p)            - radix-independent exponent
logbf (3)            - get exponent of a floating-point value
logbf (3p)           - radix-independent exponent
logbl (3)            - get exponent of a floating-point value
logbl (3p)           - radix-independent exponent
lzegrep (1)          - search compressed files for a regular expression
lzfgrep (1)          - search compressed files for a regular expression
lzgrep (1)           - search compressed files for a regular expression
Mail::SpamAssassin::Plugin::MIMEHeader (3pm) - perform regexp tests against M...
Mail::SpamAssassin::Plugin::Rule2XSBody (3pm) - speed up SpamAssassin by comp...
Mail::SPF::Mod::Exp (3pm) - SPF record "exp" modifier class
Memoize::Expire (3pm) - Plug-in module for automatic expiration of memoized v...
Memoize::ExpireFile (3pm) - test for Memoize expiration semantics
Memoize::ExpireTest (3pm) - test for Memoize expiration semantics
milter-regex (8)     - sendmail milter plugin for regular expression filtering
MIME::Parser (3pm)   - experimental class for parsing MIME streams
mimeexplode (1)      - explode one or more MIME messages
nmap (1)             - Network exploration tool and security / port scanner
pcregrep (1)         - a grep with Perl-compatible regular expressions.
pcretest (1)         - a program for testing Perl-compatible regular expressi...
perlfaq6 (1)         - Regular Expressions
perlre (1)           - Perl regular expressions
perlreapi (1)        - perl regular expression plugin interface
perlrebackslash (1)  - Perl Regular Expression Backslash Sequences and Escapes
perlrecharclass (1)  - Perl Regular Expression Character Classes
perlreguts (1)       - Description of the Perl regular expression engine.
perlrequick (1)      - Perl regular expressions quick start
perlreref (1)        - Perl Regular Expressions Reference
perlretut (1)        - Perl regular expressions tutorial
perror (1)           - explain error codes
putc_unlocked (3p)   - stdio with explicit client locking
putchar_unlocked (3p) - stdio with explicit client locking
re (3pm)             - Perl pragma to alter regular expression behaviour
regcomp (3p)         - regular expression matching
regerror (3p)        - regular expression matching
regex (7)            - POSIX.2 regular expressions
regex.h (0p)         - regular expression matching types
regexec (3p)         - regular expression matching
regfree (3p)         - regular expression matching
rpntutorial (1)      - Reading RRDtool RPN Expressions by Steve Rader
rrdxport (1)         - Export data in XML format based on data from one or se...
scalb (3p)           - load exponent of a radix-independent floating-point nu...
scalbln (3p)         - compute exponent using FLT_RADIX
scalblnf (3p)        - compute exponent using FLT_RADIX
scalblnl (3p)        - compute exponent using FLT_RADIX
scalbn (3p)          - compute exponent using FLT_RADIX
scalbnf (3p)         - compute exponent using FLT_RADIX
scalbnl (3p)         - compute exponent using FLT_RADIX
semodule_expand (8)  - Expand a SELinux policy module package.
smp_rep_exp_route_tbl (8) - invoke REPORT EXPANDER ROUTE TABLE LIST SMP function
test (1p)            - evaluate expression
Text::Tabs (3pm)     - - expand and unexpand tabs per the unix expand(1) and ...
Tie::Hash::NamedCapture (3pm) - Named regexp capture buffers
uncompress (1p)      - expand compressed data
unexpand (1)         - convert spaces to tabs
unexpand (1p)        - convert spaces to tabs
URI::Heuristic (3pm) - Expand URI using heuristics
vgexport (8)         - make volume groups unknown to the system
vgimport (8)         - make exported volume groups known to the system
wordexp (3)          - perform word expansion like a posix-shell
wordexp (3p)         - perform word expansions
wordexp.h (0p)       - word-expansion types
wordfree (3)         - perform word expansion like a posix-shell
wordfree (3p)        - perform word expansions
xfs_growfs (8)       - expand an XFS filesystem
xfs_info (8)         - expand an XFS filesystem
XML::Parser::Expat (3pm) - Lowlevel access to James Clark's expat XML parser
XS::APItest::KeywordRPN (3pm) - write arithmetic expressions in RPN
xzegrep (1)          - search compressed files for a regular expression
xzfgrep (1)          - search compressed files for a regular expression
xzgrep (1)           - search compressed files for a regular expression
zcat (1)             - compress or expand files
zcat (1p)            - expand and concatenate data
zgrep (1)            - search possibly compressed files for a regular expression