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Full Discussion: Need help with simple Linux commands - NEWBIE here!
Top Forums UNIX for Dummies Questions & Answers Need help with simple Linux commands - NEWBIE here! Post 302595523 by loverangerguy on Friday 3rd of February 2012 11:00:53 AM
Old 02-03-2012
Error Need help with simple Linux commands - NEWBIE here!
Hey guys, I need help with simple unix commands. I'm a newbie to Unix and don't know these commands. Any help is appreciated.
Code:
 1.      Logon to Linux.
   
  2.      Create a directory "Unix" under your home directory.

Command(s): ………………………………………….
 
 
  3.      Create four sub-directories bin, conf, docs and data under the directory 
"Unix" created by you in step 2. See the directory diagram below:

  Command(s): ………………………………………….
 
 
  4.      Create the document called “sed-info” in your "Unix" directory using touch command.
 
 
  Command: ………………………………………….
 
 
  5.      Create the document called “join-info” in your "Unix" directory using touch command.

Command: ………………………………………….
 
 
  6.      While in the Unix directory, move the files "sed-info" and "join-info" to directory “docs” using a single UNIX command.

Command: ………………………………………….
 
 
  7.      Change to your home directory.

Command: ………………………………………….
 
 
  8.      Use a single command to rename and move the “sed-info” from the “docs” directory to the “bin” directory.
   
  Command: ………………………………………….
 
 
  9.      Change to the data directory.
   
  Command: ………………………………………….
 
 
  10.  While in the data directory create a command that would copy the “sed-info” from the “bin” directory and “join-info” from the docs directory to the “conf” directory using a) absolute paths and b) relative paths.
   
  Command (relative path): ………………………………………….
   
  Command (absolute path): ………………………………………….
   
  11.  Move to your home directory. Create a single command that would delete the Unix directory and all the files and subdirectories of the Unix directory.
   
  Command: ………………………………………….

 

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LEARN ABOUT OSX

extutils::command

ExtUtils::Command(3pm)					 Perl Programmers Reference Guide				    ExtUtils::Command(3pm)

NAME

       ExtUtils::Command - utilities to replace common UNIX commands in Makefiles etc.

SYNOPSIS

	 perl -MExtUtils::Command -e cat files... > destination
	 perl -MExtUtils::Command -e mv source... destination
	 perl -MExtUtils::Command -e cp source... destination
	 perl -MExtUtils::Command -e touch files...
	 perl -MExtUtils::Command -e rm_f files...
	 perl -MExtUtils::Command -e rm_rf directories...
	 perl -MExtUtils::Command -e mkpath directories...
	 perl -MExtUtils::Command -e eqtime source destination
	 perl -MExtUtils::Command -e test_f file
	 perl -MExtUtils::Command -e test_d directory
	 perl -MExtUtils::Command -e chmod mode files...
	 ...

DESCRIPTION

       The module is used to replace common UNIX commands.  In all cases the functions work from @ARGV rather than taking arguments.  This makes
       them easier to deal with in Makefiles.  Call them like this:

	 perl -MExtUtils::Command -e some_command some files to work on

       and NOT like this:

	 perl -MExtUtils::Command -e 'some_command qw(some files to work on)'

       For that use Shell::Command.

       Filenames with * and ? will be glob expanded.

   FUNCTIONS
       cat
	       cat file ...

	   Concatenates all files mentioned on command line to STDOUT.

       eqtime
	       eqtime source destination

	   Sets modified time of destination to that of source.

       rm_rf
	       rm_rf files or directories ...

	   Removes files and directories - recursively (even if readonly)

       rm_f
	       rm_f file ...

	   Removes files (even if readonly)

       touch
	       touch file ...

	   Makes files exist, with current timestamp

       mv
	       mv source_file destination_file
	       mv source_file source_file destination_dir

	   Moves source to destination.  Multiple sources are allowed if destination is an existing directory.

	   Returns true if all moves succeeded, false otherwise.

       cp
	       cp source_file destination_file
	       cp source_file source_file destination_dir

	   Copies sources to the destination.  Multiple sources are allowed if destination is an existing directory.

	   Returns true if all copies succeeded, false otherwise.

       chmod
	       chmod mode files ...

	   Sets UNIX like permissions 'mode' on all the files.	e.g. 0666

       mkpath
	       mkpath directory ...

	   Creates directories, including any parent directories.

       test_f
	       test_f file

	   Tests if a file exists.  Exits with 0 if it does, 1 if it does not (ie.  shell's idea of true and false).

       test_d
	       test_d directory

	   Tests if a directory exists.  Exits with 0 if it does, 1 if it does not (ie. shell's idea of true and false).

       dos2unix
	       dos2unix files or dirs ...

	   Converts DOS and OS/2 linefeeds to Unix style recursively.

SEE ALSO

       Shell::Command which is these same functions but take arguments normally.

AUTHOR

       Nick Ing-Simmons "ni-s@cpan.org"

       Maintained by Michael G Schwern "schwern@pobox.com" within the ExtUtils-MakeMaker package and, as a separate CPAN package, by Randy Kobes
       "r.kobes@uwinnipeg.ca".

perl v5.16.2							    2012-10-11						    ExtUtils::Command(3pm)
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