52. | Which of the following changes permission to deny write permission to group and others? |
Discuss |
Answer: (a).Chmod go-w filex
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53. | Which of the following OS treats hardware as a file system? |
Discuss |
Answer: (a).UNIX
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55. | An example of a directory found in most UNIX system is: |
Discuss |
Answer: (a).usr
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56. | The “nice” command is used in Unix: |
Discuss |
Answer: (d).both a and b
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57. | Which of the following is not an Unix Command ? |
Discuss |
Answer: (d).put
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58. | A system call in Linux operating system to create a new child process, which is a copy of the parent process: |
Discuss |
Answer: (b).fork
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59. | The environment variable in Linux, that contain a list of directories the shell automatically recognizes. |
Discuss |
Answer: (a).$PATH
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60. | In Linux, the subdirectory that contains system configuration files including user passwords: |
Discuss |
Answer: (c)./etc
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