Linux man pages: O

o(3)
Generic interface to Perl Compiler backends
o3read(1)
convert files in OpenOffice.org format
o3tohtml(1)
convert files in OpenOffice.org format
o3totxt(1)
convert files in OpenOffice.org format
obchiral(1)
obex_push(1)
Push/Receive Files over Bluetooth OBEX Push Channel
obexftp(1)
Mobile Equipment file transfer tool
obexftpd(1)
Mobile Equipment file transfer server
obfit(1)
obgrep(1)
obj(3)
Operations on internal representations of values
obj_cleanup(3)
ASN1 object utility functions
obj_cmp(3)
ASN1 object utility functions
obj_create(3)
ASN1 object utility functions
obj_dup(3)
ASN1 object utility functions
obj_ln2nid(3)
ASN1 object utility functions
obj_nid2ln(3)
ASN1 object utility functions
obj_nid2obj(3)
ASN1 object utility functions
obj_nid2sn(3)
ASN1 object utility functions
obj_obj2nid(3)
ASN1 object utility functions
obj_obj2txt(3)
ASN1 object utility functions
obj_sn2nid(3)
ASN1 object utility functions
obj_txt2nid(3)
ASN1 object utility functions
obj_txt2obj(3)
ASN1 object utility functions
objcmdwrite(3)
Writing C language extensions to Tcl
objcopy(1)
copy/translate object files
objdump(1)
info from object files
object(3)
object_message(3)
Sends message to object/returns answer. Allegro game programming library
objecttype(3)
change Tcl object types
obprop(1)
obrotate(1)
observer(6)
obsolete(2)
obsolete system calls
ocaml(1)
Objective Caml interactive toplevel
ocamlbuild(1)
Objective Caml project compilation tool
ocamlc(1)
Objective Caml bytecode compiler
ocamlc.opt(1)
Objective Caml bytecode compiler
ocamlcp(1)
Objective Caml profiling compiler
ocamldebug(1)
Objective Caml source-level replay debugger
ocamldep(1)
Dependency generator for Objective Caml
ocamldoc(1)
Objective Caml documentation generator
ocamlfind(1)
[ interface of Package manager]
ocamllex(1)
Objective Caml lexer generator
ocamlmktop(1)
Building custom toplevel systems
ocamlopt(1)
Objective Caml native-code compiler
ocamlopt.opt(1)
Objective Caml native-code compiler
ocamlprof(1)
Objective Caml profiler
ocamlrun(1)
Objective Caml bytecode interpreter
ocamlyacc(1)
Objective Caml parser generator
ochusha(1)
GUI BBS browser for 2ch.net
oclock(1)
round X clock
ocp(1)
ocpp(1)
Universal preprocessor
ocrad(1)
manual page for Ocrad 0.17
ocsp(1)
Online Certificate Status Protocol utility
octave(1)
high-level interactive language for numerical computations
octave-bug(1)
report bug in GNU Octave
octave-config(1)
GNU Octave component/library info retrieval
od(1)
dump files in octal/other formats
odbc(3)
odccm(1)
Daemon to keep connection to Windows Mobile device
oddjob.conf(5)
oddjob_request(1)
oddjobd(8)
oddjobd.conf(5)
ode(1)
numerical solution of ordinary differential equations
odeum(3)
inverted API of QDBM
odidx(1)
indexer of document files
odmgr(1)
administration utility for QDBM Odeum
odopen(3)
inverted API of QDBM
odt2txt(1)
simple converter from OpenDocument Text to plain text
odtest(1)
test cases for QDBM Odeum
odvicopy(1)
produce modified copy of DVI file
odvips(1)
convert TeX DVI file to PostScript
odvitype(1)
translate dvi file for humans
of(7)
variants of DES/other crypto algorithms of OpenSSL
offconsol(1)
polylist consolidator
offer_focus(3)
Offers input focus to particular object. Allegro game programming library
offlineimap(1)
Powerful IMAP/Maildir synchronization/reader support
offsetof(3)
offset of structure member
ofm2opl(1)
convert Omega/TeX font-metric files to property-list files
ogg123(1)
plays Ogg Vorbis files
oggdec(1)
simple decoder, Ogg Vorbis file to PCM audio file
oggenc(1)
encode audio into Ogg Vorbis format
ogginfo(1)
gives info about Ogg files, and does extensive
oggz-scan(1)
Scan Ogg file/output characteristic landmarks
oggz-validate(1)
Validate Ogg framing of one/more files
oggzdiff(1)
oggzdump(1)
oggzinfo(1)
oggzmerge(1)
oggzrip(1)
ogle(1)
DVD player with support for DVD menus
oglerc(5)
ogle config file
ogmcat(1)
Concatenate several OGG/OGM files into one big OGG/OGM file
ogmdemux(1)
Extract streams from OGG/OGM files into separate files
ogminfo(1)
Print info about streams in OGG/OGM files
ogmmerge(1)
Merge multimedia streams into OGG/OGM file
ogmsplit(1)
Split OGG/OGM files into sevaral smaller OGG/OGM files
ogonkify(1)
international support for PostScript
ogr2ogr(1)
ogr2ogr converts simple features data between file formats
ogr_utilities(1)
ogrinfo(1)
ogrinfo lists info about OGR supported data source
ogrtindex(1)
ogrtindex creates tileindex
oidentd(8)
TCP/IP IDENT protocol server
oidentd.conf(5)
oidentd config file
oidentd_masq.conf(5)
oidentd IP masquerading/NAT config file
ok(3)
Alternative to Test::More::use_ok
oki4drv(1)
User space based driver for OKIPAGE 4w, OKI400w, OKIPAGE 4w PLUS and OKIPAGE 8w Lite printers
oldfstat(2)
obsolete system calls
oldlstat(2)
obsolete system calls
oldmono(1)
Mono ECMA-CLI Just in Time compiler
oldolduname(2)
obsolete system calls
oldstat(2)
obsolete system calls
olduname(2)
obsolete system calls
omapi(3)
Object Management Application Programming Interface
omcmd(1)
Update ISC dhcpd dynamically with OMAPI
omega(1)
extended unicode TeX
omshell(1)
OMAPI Command Shell
omshell(3)
OMAPI Command Shell
on_ac_power(1)
test whether computer is running on line power
on_exit(3)
register function to be called at normal process termination
oneac(8)
Driver for Oneac UPS equipment
onsgmls(1)
SGML/XML parser/validator
oo(3)
Operations on objects
oo2po(1)
Converts OpenOffice.org exported .oo files to Gettext .po files
oodist(1)
create perl distributions with OODoc
oodoc(3)
object oriented production of code related documentation
oogl2rib(1)
convert OOGL file to RenderMan rib format
oogl2vrml(1)
convert OOGL to VRML
ooo2txt(1)
Convert openoffice documents to simple text
oops(3)
oose(3)
syntactic sugar to make Moose one-liners easier
op(1)
operator access
op_help(1)
OProfile events
opannotate(1)
produce source/assembly annotated with profile data
oparchive(1)
produce archive of oprofile data for offline analysis
opcode(3)
Disable named opcodes when compiling perl code
opcontrol(1)
control OProfile profiling
opdvips(1)
convert TeX DVI file to PostScript
open(1)
open file in it's default application
open(2)
open/possibly create file/device
open(3)
open file
open(n)
Open file-based/command pipeline channel
open_by_handle(3)
file handle operations
open_fli(3)
Makes FLI file open/ready for playing. Allegro game programming library
open_init_pty(8)
run program under psuedo terminal
open_memory_fli(3)
Makes FLI file open/ready for playing. Allegro game programming library
open_memstream(3)
open memory as stream
openais.conf(5)
openais executive config
openais_overview(8)
openat(2)
open file relative to directory file descriptor
openbox(1)
minimalistic, highly configurable, next generation window manager with extensive standards support
openbox-gnome-session(1)
Run GNOME session with Openbox as window manager
openbox-kde-session(1)
Run KDE session with Openbox as window manager
openbox-session(1)
Runs Openbox session without any session manager
openchrome(4)
video driver for VIA Unichromes
openct-tool(1)
OpenCT smart card utility
opendir(3)
open directory
openfilechnl(3)
buffered I/O facilities using channels
openframe(3)
framework for network enabled applications
openhpi(7)
implementation of SA Forum's Hardware Platform Interface
openipmi_conparms(7)
Connection parmeters for OpenIPMI
openipmicmd(1)
IPMI Command Interface
openipmigui(1)
GUI interface to IPMI system
openipmish(1)
Shell interface to IPMI system
openjade(1)
apply DSSSL stylesheet to SGML/XML document
openlog(3)
send messages to system logger
openmpi(3)
General info about Open MPI 1.2
openmsx(1)
perfectly emulate MSX standard/more
openpty(3)
tty utility functions
opensc-config(1)
get info about installed version of OpenSC
opensc-explorer(1)
generic interactive utility for accessing smart card/similar security token functions
opensc-tool(1)
generic smart card utility
openser(8)
flexible/roboust SIP server for Voice over IP
openser.cfg(5)
openser config file
openserctl(8)
openser control tool
openserunix(8)
openser UNIX socket wrapper
opensm(8)
InfiniBand subnet manager/administration
openssl(1)
OpenSSL tool
openssl_add_all_algorithms(3)
add algorithms to internal table
openssl_add_all_ciphers(3)
add algorithms to internal table
openssl_add_all_digests(3)
add algorithms to internal table
openssl_add_ssl_algorithms(3)
initialize SSL library by registering algorithms
openssl_applink(3)
glue between OpenSSL BIO/Win32 compiler run-time
openssl_config(3)
simple OpenSSL config functions
openssl_ia32cap(3)
finding IA-32 processor capabilities
openssl_load_builtin_modules(3)
add standard config modules
openssl_no_config(3)
simple OpenSSL config functions
openssl_version_number(3)
OpenSSL version number
opentcp(3)
procedures to open channels using TCP sockets
openvpn(8)
secure IP tunnel daemon
openvt(1)
start program on new virtual terminal
operator(7)
opgprof(1)
produce gprof-format profile data
ophelp(1)
OProfile events
opimport(1)
converts sample database files
opl2ofm(1)
convert Omega/TeX property-list files to font-metric files
opml2snow(1)
snownews OPML subsription file import/export
opreport(1)
produce symbol/binary image summaries
oprofile(1)
system-wide profiler
ops(3)
Perl pragma to restrict unsafe operations when compiling
opstack(1)
produce callgraph symbol summaries
opt(1)
LLVM optimizer
opt-case.pl(1)
Optimize case insensitive regexp filters for tin
optarg(3)
command option parsing
opterr(3)
command option parsing
optimize(n)
Optimisation routines
optind(3)
command option parsing
option(n)
Add/retrieve window options to/from option database
optionfileload(3)
Load locatable config files, in order
optionfindnextvalue(3)
find hierarcicaly valued option instance
optionfindvalue(3)
find hierarcicaly valued option instance
optionfree(3)
free allocated option processing memory
optiongetvalue(3)
specific value from hierarcical list
optionloadline(3)
process string for option name/value
optionmenu(n)
Create option menubutton/its menu
optionnextvalue(3)
next value from hierarchical list
optiononlyusage(3)
Print usage text for just options
optionprocess(3)
this is main option processing routine
optionrestore(3)
restore option state from memory copy
options(n)
Standard options supported by widgets
optionsavefile(3)
saves option state to file
optionsavestate(3)
saves option state to memory
optionunloadnested(3)
Deallocate memory for nested value
optionversion(3)
return compiled AutoOpts version number
optipng(1)
Advanced optimization program for Portable Network Graphics
optiups(8)
Driver for Opti-UPS UPS/Zinto D equipment
optopt(3)
command option parsing
opyum(8)
graphical offline package manager
oqmgr(8)
old Postfix queue manager
or(1)
conditionally execute command
orbd(1)
Object Request Broker Daemon
orbd-java-1.7.0-icedtea(1)
Object Request Broker Daemon
orber(3)
orber_acl(3)
orber_diagnostics(3)
orber_ifr(3)
orber_tc(3)
orca(1)
screen reader/magnifier
orddict(3)
ordsets(3)
orpie(1)
orpie-curses-keys(1)
orpierc(5)
orterun(1)
Execute serial/parallel jobs in Open MPI
os(3)
os_mon(3)
os_mon_mib(3)
os_multitasking(3)
Indicates if OS is multitasking. Allegro game programming library
os_revision(3)
Version of OS currently running. Allegro game programming library
os_sup(3)
os_type(3)
Stores detected type of OS. Allegro game programming library
os_version(3)
Version of OS currently running. Allegro game programming library
osd_cat(1)
X on-screen file displayer
osgcal(1)
osgcal char
osgmlnorm(1)
SGML/XML document normalizer
osinfo(1)
gather info regarding running operating system
osip(1)
osip2(1)
GNU oSIP library is low layer SIP implementation
osip2-2.2.2(1)
GNU oSIP library is low layer SIP implementation
osiv(1)
Particle Image Velocimetry Suite
osiv_corr(1)
perform particle image velocimetry
osiv_draw(1)
visualize flow field data
osiv_dump(1)
retrieves info from osiv data file
osiv_synth(1)
make synthetic PIV images
osiv_tune(1)
generates fftw wisdom files
osmtest(8)
InfiniBand subnet manager/administration test program
ospam(1)
SGML/XML markup stream editor
ospcat(1)
SGML print catalog
ospent(1)
Concatenates entities in SGML/XML document
ospf6d(8)
OSPFv3 routing engine for use with Quagga routing software
ospfd(8)
OSPFv2 routing engine for use with Quagga routing software
osx(1)
SGML to XML converter
otl2html(1)
converts vimoutliner outline to HTML
otp(n)
One-Time Passwords
otp2ocp(1)
convert Omega Translation Process files to Omega Compiled Process files
otp_mib(3)
otr_mackey(1)
Process Off--Record Messaging transcripts
otr_modify(1)
Process Off--Record Messaging transcripts
otr_parse(1)
Process Off--Record Messaging transcripts
otr_readforge(1)
Process Off--Record Messaging transcripts
otr_remac(1)
Process Off--Record Messaging transcripts
otr_sesskeys(1)
Process Off--Record Messaging transcripts
otr_toolkit(1)
Process Off--Record Messaging transcripts
ots(1)
tool for summarizing texts
outb(2)
port I/O
outb(3)
outb_p(2)
port I/O
outl(2)
port I/O
outl_p(2)
port I/O
outocp(1)
debug OCP file
outp(3)
outsb(2)
port I/O
outsl(2)
port I/O
outsw(2)
port I/O
outw(2)
port I/O
outw_p(2)
port I/O
ovaldi(1)
reference interpreter for Open Vulnerability/Asessment Language
ovdb(5)
Overview storage method for INN
ovdb_init(8)
Prepare ovdb database for use
ovdb_monitor(8)
Database maintenance
ovdb_recover(8)
Perform recovery on ovdb database, if needed
ovdb_server(8)
overview 'helper' server
ovdb_stat(8)
info from ovdb database
ovdb_upgrade(8)
Perform any needed upgrades on ovdb database
overchan(8)
update news overview database
overlay(3)
overlay/change overlapped curses windows
overload(3)
override_config_data(3)
Specifies block of data containing config overrides. Allegro game programming library
override_config_file(3)
Specifies file containing config overrides. Allegro game programming library
overrideshell(3)
overview(3)
Toolchain Overview
overview.fmt(5)
format of news overview database
overwrite(3)
overlay/change overlapped curses windows
ovf2ovp(1)
convert virtual font file/its associated font metric file into property-list format
ovp2ovf(1)
convert virtual property-list file into virtual font file/its associated font metric file
ownership(8)
Compaq ownership tag retriever
ownet(3)
ownselect(3)
make window owner of primary selection
oxdvi(1)
DVI Previewer for X Window System