11. We can use the > symbol along with pipe in a command.
12. A system call is a programmatic way in which the program requests for the service from the kernel of an operating system.
13. If the uncompressed file already exists on disk, unzip asks for the user confirmation whether to replace the existing file or not.
14. For deleting the elements from the left of the array . . . . . . . . function is used.
15. Which of the following flag will be used for interactive substitution?
16. Which of the following shells support the use of aliases?
17. awk uses . . . . . . . . operator for concatenating strings.
18. When nohup command is used, shells returns the . . . . . . . .
19. Which command is used for locating repeated and non-repeated lines?
20. We can create multiple directories by single invocation of mkdir command.
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