5 articles tagged "command line options"

• Linux gperf C and C++ command line processing programming tutorial

  GNU ‘gperf’ generates perfect hash functions. If a long option shows an argument as mandatory, then it is mandatory for the equivalent short option also. Use this tutorial for effective command-line processing in your C/C++ code:
  Command-line processing is historically one of the most ignored areas in software development. Just about any relatively complicated software has [...]

• Linux add ethtool duplex settings to a network card permanently

  I have already written about how to find and change your network interface speed (NIC), duplex or auto negotiate settings on Linux using ehttool command line options.
  However, these settings are not permanent. If you reboot the system or if you just
  need to upgrade/downgrade your port speed, run the ehtool command once your port change by [...]

• How BASH Shell Command Search Sequence Works

  This article was organically contributed by monk.
  HASH tables and PATH is not the first method locating your program / executable files. Your program can be a shell function or builtin command or an alias. Here is the complete sequence adopted by BASH shell to execute your command:

  Before a command is executed REDIRECTION is done. Then [...]

• How Linux or UNIX Understand which program to run - PART I

  This article was organically contributed by monk.
  When you are logged in to a Linux server and you type a command. It is the responsibility of the shell to interpret your command. Here I will explain how BASH shell finds out which program to run. The method used by SHELL is straightforward but often creates confusion [...]

• Solaris tar command to backup data on tape device

  Tar name come from Tape ARchiver. It is both a file format and the name of the program used to handle such file. Tar archive files have names ending in “.tar”. If an archive is compressed, the compression program adds its own suffix as usual, resulting in filename endings like “.tar.Z”, “.tar.gz”, and “.tar.bz2″. Tar [...]

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