Linux "1-4unit" exercises

Source: Internet
Author: User

<<< First unit exercises >>>


1. Using student User Login System graphical interface

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2. Open a Bash



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3. Modify the student password to update the password to "T3st1ngtlme" (host letters and numbers)


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4. Display the current system time


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5. Display the current system time, the display format is: "Hours: minutes: Seconds am/pm" (am/pm for the last afternoon logo)


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6. Display the file type of "/usr/bin/clean-binary-files"


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7. Statistics for "/usr/bin/clean-binary-files" File size



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8. Use a shortcut in the Shell to invoke the already executed the 4th Commandment


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9. Use the shortcut to perform the most recent article containing "Da te "keyword commands



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<<< Second unit exercise >>>



1. Create a file with commands and regular expressions as required


*) Create 12 files with one command Westos_classx_linuxy (the value range of x is 1-2,y 1-6)

*) These files are included in the study directory of the root user's desktop


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*) Create 8 files with one command Redhat_versionx (the range of x is 1-8)

*) Redhat_virsionx These files are included in version in the/MNT directory


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2. The requirements for managing the newly created documents are as follows


*) Copy the odd files in the Redhat_versionx with a single command

To a single in the desktop


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*) copy files with even numbers in Redhat_versionx to/double with a single command

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*) move Class1 files in Westos_classx_linuxy to CLASS1 in the current user's desktop with a single command


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*) move class2 files in Westos_classx_linuxy to CLASS2 in the current user's desktop with a single command


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3. Back up all the files in the/etc directory with the names with numbers and end with. conf to the Confdir on the desktop


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5. Delete all files you have just created or backed up


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<<< Fourth Unit exercise >>>



1. Execute the find/etc-name passwd command under the student user and manage its output requirements as follows:


* Show all correct output, mask error output  


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* Save correct number out to/tmp/find.out, error number out to/tmp/find.err  


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* Create/tmp/find.all file, and save all output to this file

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* Save all output to/tmp/find.all again, and keep the contents of the source file


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* Block all output from this command

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* Show all output of this command and save output to any file on the desktop


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* Save correct output to/tmp/find.out.1, mask error output


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2. Processing documents in document/usr/share/mime/packages/freedesktop.org.xml requirements are as follows:


* Locate the line containing ICH in this file and save these lines to/root/lines


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* Replace the space in/root/lines with vim, but keep the contents of the file


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Linux "1-4unit" exercises

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