These are the example programs that appear in the FPC documentation.
 
Units guide, Linux unit :

ex1.pp contains an example of the GetEpochTime function.
ex2.pp contains an example of the GetTimeOfDay function.
ex3.pp contains an example of the EpochToLocal function.
ex4.pp contains an example of the LocalToEpoch function.
ex5.pp contains an example of the GetTime function.
ex6.pp contains an example of the GetDate function.
ex7.pp contains an example of the Execve function.
ex8.pp contains an example of the Execv function.
ex9.pp contains an example of the Execvp function.
ex10.pp contains an example of the Execl function.
ex11.pp contains an example of the Execle function.
ex11.pp contains an example of the Execlp function.
ex13.pp contains an example of the Shell function.
ex14.pp contains an example of the Fork function.
ex15.pp contains an example of the Nice, Set- and GetPriority functions.
ex16.pp contains an example of the GetPid and GetPPid functions.
ex17.pp contains an example of the GetUid and GetEUid functions.
ex18.pp contains an example of the GetGid and GetEgid functions.
ex19.pp contains an example of the fdOpen, fdWrite and fdCLose functions.
ex20.pp contains an example of the fdRead and fdTuncate functions.
ex21.pp contains an example of the Link and UnLink functions.
ex22.pp contains an example of the SymLink and UnLink functions.
ex23.pp contains an example of the Chmod function.
ex24.pp contains an example of the Chown function.
ex25.pp contains an example of the UTime function.
ex26.pp contains an example of the Access function.
ex27.pp contains an example of the Umask function.
ex28.pp contains an example of the FStat function.
ex29.pp contains an example of the LStat function.
ex30.pp contains an example of the FSStat function.
ex31.pp contains an example of the Dup function.
ex32.pp contains an example of the Dup2 function.
ex33.pp contains an example of the Select function.
ex34.pp contains an example of the SelectText function.
ex35.pp contains an example of the OpenDir, ReadDir Telldir and SeekDir functions.
ex36.pp contains an example of the AssignPipe function.
ex37.pp contains an example of the POpen and PClose functions.
ex38.pp contains an example of the AssignStream function.
ex39.pp contains an example of the GetDomainName function.
ex40.pp contains an example of the GetHostName function.
ex41.pp contains an example of the GetEnv function.
ex42.pp contains an example of the SysInfo function.
ex43.pp contains an example of the Uname function.
ex44.pp contains an example of the Octal function.
ex45.pp contains an example of the FExpand function.
ex46.pp contains an example of the FSearch function.
ex47.pp contains an example of the DirName function.
ex48.pp contains an example of the BaseName function.
ex49.pp contains an example of the Glob function.
ex51.pp contains an example of the StringToPPChar function.
ex52.pp contains an example of the GetFS function.
ex53.pp contains an example of the S_ISLNK and related functions.
ex54.pp contains an example of the IOCtl function.
ex55.pp contains an example of the TCGetAttr,TCSetAttr,CFMakeRaw functions.
ex56.pp contains an example of the Shell function.
ex57.pp contains an example of the SigAction function.
ex58.pp contains an example of the Signal function.
ex59.pp contains an example of the Alarm function.
ex60.pp contains an example of the GetDateTime function.
ex61.pp contains an example of the CreateShellArgV function.
ex62.pp contains an example of the ReadLink function.
ex63.pp contains an example of the FRename function.
ex64.pp contains an example of the SysInfo function.
ex64.pp contains an example of the SigRaise function.
ex66.pp contains an example of the MMap function.
ex67.pp contains an example of the FSplit function.
ex68.pp contains an example of the Octal function.
ex69.pp contains an example of the FNMatch function.
ex70.pp contains an example of the StringToPPchar function.
ex71.pp contains an example of the clone function.
ex72.pp contains an example of the NanoSleep function.
serial.pp contains an example of serial port programming in FPC.
