Answer the following statements true (T) or false (F)

1. The tail command is used to display the last 10 lines of the specified file.
2. The command tail +20 xyz displays the first 20 lines of the file xyz.
3. The command wc -l filename displays the number of lines in the filename.
4. The command cat Xfile creates the Xfile and accepts input to file from the keyboard.
5. The command cat > Xfile displays the content of the Xfile.


1.True
2. False
3. True
4. False
5. False

Computer Science & Information Technology

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To advance from one cell to the next, you press the:

A) Tab key. B) Enter key. C) Alt and Tab keys. D) Ctrl and Enter keys.

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If all worksheets are grouped, how do you ungroup them?

A) Select any range of cells. B) Click any tab. C) Click Ungroup on the data tab. D) Right click a sheet tab and select Ungroup Sheets.

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The CONCATENATE function removes extra blank spaces from a string

Indicate whether the statement is true or false

Computer Science & Information Technology

A technician is troubleshooting a Windows computer and needs to stop the explorer.exe process. Multiple attempts to open Task Manager have failed. The technician can successfully open a command prompt.   Which of the following steps should the technician take next?

A. Use the taskkill utility to locate the PID for the explorer.exe process. B. Use the tasklist utility to end the explorer.exe process. C. Use the tasklist utility to locate the PID for the explorer.exe process. D. Use the taskkill utility to end the explorer.exe process.

Computer Science & Information Technology