Systemy Operacyjne - laboratoria.

 

1. WPROWADZENIE DO INTERPRETATORÓW POLECEŃ (command shell) W SYSTEMACH TYPU UNIX.

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Rys 1.

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Rys 2.

 


* biff displays the first lines of incoming mail messages.

* cat displays the contents of a file on the terminal.

* compress shrinks files in size.

* cp. makes a copy of a file_

* date displays the time, day of the week, and date.

* diff displays a list of the differences between two files.

* echo displays a line of text on the terminal.

* file displays information about the contents of a file.

* finger displays detailed information about users_

* grep searches for a specific string in a file.

* head displays the beginning of a file.

* learn provides lessons on how to use the system.

!pr prints text files.

* is displays a list of files.

* Mail sends and receives mail.

* man displays information on utilities.

* mesg permits or denies messages sent by write or talk.

* more displays the ccntents of a text nle one screenful at a time.

* mv changes the name of a file.

* passwd changes your password.

* rm deletes a file.

* sed can display the beginning of a file.

* sort puts a file in order by lines.

* tail displays the end of a file.

* talk supports an online conversation with another user who is logged in.

* uncompress restores a compressed file to its original size.

* uniq displays the contents of a file, skipping successive duplicate lines.

* vi creates or edits a text file.

* w displays a list of who is logged in.

* whereis displays the pathname of a utility program on the system.

* which displays the fUll pathname of a command you can run.

* write sends a message to another user who is logged in.

* zcat displays tl-ie contents of a compressed file.


     [ $ ]
    

     [ % ]

      __________                         ____________

     |   % sh         |   Bourne shell   |   $                  |

     |                    |     --------->>>  |                       |

     |__________|                         |___________ |

      __________                            ____________

     |   % ksh        |   Korn shell       |  $                    |

     |                    |     --------->>>   |                        |

     |__________|                           |____________|

      ___________                          ____________

     |   % csh          |   C shell            |  $                    |

     |                       |     --------->>>   |                        |

     |___________|                         |____________ |

                                       / wielu użytkowników jednocześnie

systemy wsadowe =/= <------------- interaktywne działanie

                                                          \ wspólne używanie danych, programów


        <<< THE END >>>