Which regular expression string matches any sequence of characters of any length? 

Write the command to display the number of lines that contain the word linux in file file1.

In your document files, you often put the date you created the file and the date you last modified it in the last two lines of the file. What command can you use to look at only the last two lines of the file called, project?

312 x 9 (Do not use a comma when you type your answer.) _______

28÷4 _______

205 + 513 _______

The way you study math is to write down the math problems and work them out.

The amount of sleep you get has little effect on your ability to concentrate.

Part1 Listen to the audio and make a True or False statement.  T/F   1.[A1]Little Wang is a sophomore. 2.[A2]His original interest was finance. 3.[A3]He wanted to change his major due to his lost interest in numbers. 4.[A4]He does not need to see his advisor since he knows the required courses for his new major. 5.[A5]He might need an extra year to graduate.   Part 2  Listen to the audio and make a True or False statement.  T/F   1.[A6]My younger sister was eager to talk with me about her relation with Little Li. 2.[A7]She says that she had a fight with Little Li. 3.[A8]Little Li is handsome and is popular among girls. 4.[A9]My sister is suspecting that Little Li is dating other girls. 5.[A10]The speaker thinks that Little Li is wrong and he should not act that way.

The basilic vein is a ______________ vein of the ____________ extremity