51. How can we escape to the UNIX shell without quitting vi editor?
52. vi environment is determined by variable settings. These variables are controlled by . . . . . . . . command.
53. Which of the following key is used to enter in ex-mode?
54. UNIX treats everything as a file.
55. The contents of file001 are:
232
25*50
What will be the contents of result.txt?
bc < file001 > result.txt
232
25*50bc < file001 > result.txt56. Which one of the following command will display the name of the shell we are working on?
57. Which command shows some attributes of a process?
58. Which of the following is an invalid command?
59. Every if is closed with a corresponding . . . . . . . .
60. Which of the following system call is used for truncating a file?
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