compopt (1)          - bash built-in commands, see bash(1)
cupsctl (8)          - configure cupsd.conf options
dhcp-options (5)     - Dynamic Host Configuration Protocol options
ExtUtils::Mksymlists (3pm) - write linker options files for dynamic extension
fcntl.h (0p)         - file control options
fmt (1)              - simple optimal text formatter
foomatic-addpjloptions (8) - Format PJL option information the for foomatic d...
foomatic-getpjloptions (8) - <put a short description here>
foomatic-ppd-options (1) - show the PPD options
getopt (1)           - parse command options (enhanced)
getopt (3)           - Parse command-line options
getopt (3p)          - command option parsing
Getopt::Std (3pm)    - Process single-character switches with switch clustering
Getopt::Long (3pm)   - Extended processing of command line options
getopt_long (3)      - Parse command-line options
getopt_long_only (3) - Parse command-line options
getopts (1)          - bash built-in commands, see bash(1)
getopts (1p)         - parse utility options
getsockopt (2)       - get and set options on sockets
getsockopt (3p)      - get the socket options
getsubopt (3)        - parse suboption arguments from a string
getsubopt (3p)       - parse suboption arguments from a string
git-config (1)       - Get and set repository or global options
git-gc (1)           - Cleanup unnecessary files and optimize the local repos...
git-hash-object (1)  - Compute object ID and optionally creates a blob from a...
git-repo-config (1)  - Get and set repository or global options
gnome-options (7)    - Standard Command Line Options for GNOME 2 Programs
hasmntopt (3)        - get file system descriptor file entry
hosts_options (5)    - host access control language extensions
iwpriv (8)           - configure optionals (private) parameters of a wireless...
lpoptions (1)        - display or set printer options and defaults
montage (1)          - create a composite image by combining several separate...
my_print_defaults (1) - display options from option files
mysql_config (1)     - get compile options for compiling clients
Net::DNS::RR::OPT (3pm) - DNS OPT
nfs (5)              - fstab format and options for the nfs file systems
ntp.conf (5)         - Server Options
ntp_acc (5)          - Access Control Options
ntp_auth (5)         - Authentication Options
ntp_clock (5)        - Reference Clock Options
ntp_misc (5)         - Miscellaneous Options
ntp_mon (5)          - Monitoring Options
optarg (3)           - Parse command-line options
optarg (3p)          - command option parsing
opterr (3)           - Parse command-line options
opterr (3p)          - command option parsing
optind (3)           - Parse command-line options
optind (3p)          - command option parsing
optopt (3)           - Parse command-line options
optopt (3p)          - command option parsing
pdfopt (1)           - Ghostscript PDF Optimizer
perlperf (1)         - Perl Performance and Optimization Techniques
php-config (1)       - get information about PHP configuration and compile op...
Pod::Perldoc::GetOptsOO (3pm) - Customized option parser for Pod::Perldoc
posixoptions (7)     - optional parts of the POSIX standard
probe::tcp.setsockopt (3stap) - Call to setsockopt
probe::tcp.setsockopt.return (3stap) - Return from setsockopt
set (1p)             - set or unset options and positional parameters
setsockopt (2)       - get and set options on sockets
setsockopt (3p)      - set the socket options
shopt (1)            - bash built-in commands, see bash(1)
shred (1)            - overwrite a file to hide its contents, and optionally ...
snmpcmd (1)          - options and behaviour common to most of the Net-SNMP c...
stropts.h (0p)       - STREAMS interface (STREAMS)
stty (1p)            - set the options for a terminal
synclient (1)        - commandline utility to query and modify Synaptics driv...
libunbound (3)       - Unbound DNS validating resolver 1.4.13 functions.
vacuum (7)           - garbage-collect and optionally analyze a database
warnings (3pm)       - Perl pragma to control optional warnings