51. Which command will be used with vi editor to replace text from cursor to right?
52. Which of the following commands is used to rename a file?
53. Which of the following is not a filter?
54. Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?
55. Which command is used to list all the files with extension .lst?
56. Which option is used with the chmod command recursively to all files and sub-directories in a directory?
57. Which command is used to change directory to the name beginning with a 'p'?
58. Which of the following is invalid filename?
59. Which commands is used to assign executable permission to all of the files named "letter"?
60. Which set option is used with vi editor to display line numbers on screen?
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