41. Which of the following macro returns true if the file type is a directory?
42. We can display an alias definition by using an alias with the name.
43. To replace 5 characters with new characters, which one of the following will be used?
44. Pathname is a sequence of symbols and directories indicating the location of a file.
45. . . . . . . . . section can be used if we've to print something before processing the first line.
46. What is the default symbol for command prompt in Bourne shell?
47. Which command is used for making the scripts interactive?
48. In . . . . . . . . mode, the kernel runs on behalf of the user.
49. Which command is used for preparing a file for printing?
50. Which of the following function(s) are performed by an interactive shell?
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