51. What is a shell script?
52. Shell is a command interpreter used for interacting with a UNIX system.
53. The target pattern is optional.
54. The complete set of positional parameters is stored in . . . . . . . . as a single string.
55. Which command is used for deleting a single character?
56. Which command creates a space for entering a new line of text below the current cursor location?
57. Which library function is used for printing error messages?
58. FS defines the field separator.
59. For checking a file access rights, . . . . . . . . system call is used.
60. . . . . . . . . option is used for taking instructions from a file.
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