1. du command can also be used for reporting the disk space consumed by each user.
2. The attributes of every process are stored in . . . . . . . .
3. Quit (:q) command doesn't work if the buffer is unsaved.
4. . . . . . . . . function is used for joining lists.
5. To clear the screen in vi editor, . . . . . . . . is used.
6. What is the default delimiter used by awk?
7. -r option is same as -R option in ls command.
8. Which escape character is used for identifying a word character?
9. Which option can be used explicitly to reduce the priority of any process.
10. The command $ sed -n '$p' emp.lst will display the last line.
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