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An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?（）
- A、yy E 3p
- B、3yy G p
- C、3yy :e 5pp
- D、yy :g 3p
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更多 “An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?（）A、yy E 3pB、3yy G pC、3yy :e 5ppD、yy :g 3p” 相关考题
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Which of the following will occur if an operator types the command vi file.out?（）A、If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.B、If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.C、If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.D、If the file exists the operator will be asked whether to open the file or overwrite the file. If the file does not exist a new file with the name file.out will be created and opened for editing.
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考题
单选题An operator is editing a file using vi. Which of the following subcommand sequences will copy the current line plus the next 2 lines to the end of the file?（）A
yy E 3pB
3yy G pC
3yy :e 5ppD
yy :g 3p
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单选题Operator needs to remove all leading comments # from shell.script file. Which of the following vi sub-command can achieve this?（）A
:r/^#//gB
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:sed s/^#//gD
:sub s/^#//g
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Add the user， SYSTEM， to the schemas option.B
Add the network_link = devdb.us.oracle.com option.C
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考题
单选题Which of the following will occur if an operator types the command vi file.out?（）A
If the file exists it will be opened for editing. If the file does not exist an error message will be displayed.B
If the file exists it will be opened for editing. If the file does not exist a new file with the name file.out will be created and opened for editing.C
If the file exists an error message will be displayed. If the file does not exist a new file with the name file.out will be created and opened for editing.D
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单选题A vessel’s Certificate of Documentation（）.A
may be retained by the owner at the home port OR kept on the vesselB
must be posted under transparent material in the pilothouseC
must be carried on boardD
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