Alphabetical Index of Manual Pages - O

objcopy (1) - copy and translate object files
objdump (1) - display information from object files.
obsolete (2)
oclock (1) - round X clock
od (1) - dump files in octal and other formats
oldfstat (2) - obsolete system calls
oldlstat (2) - obsolete system calls
oldolduname (2) - obsolete system calls
oldstat (2) - obsolete system calls
olduname (2) - obsolete system calls
on_exit (3) - register a function to be called at normal program termination.
open (2) - open and possibly create a file or device
open (n) - Open a file-based or command pipeline channel
opendir (3) - open a directory
OpenFileChnl (3)
openlog (3) - send messages to the system logger
OpenTcp (3)
option (n) - Add/retrieve window options to/from the option database
optionMenu (n)
optionmenu (n) - Create and manipulate a option menu widget
options (n) - Standard options supported by widgets
OptMenu (n)
OwnSelect (3)