MCQ IN COMPUTER SCIENCE & ENGINEERING

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COMPUTER SCIENCE AND ENGINEERING

UNIX

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
cd command cannot be used without any argument.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Explanation: cd command can be used without any arguments. When it used in such a way, then it changes our current directory to home directory.

Detailed explanation-2: -Clarification: cd (change directory) command is used for moving around the file system. cd command is usually invoked with a argument. After invocation, it changes the current directory to the directory specified as argument. Cp command is used for copying files while rm command is used for deleting files.

Detailed explanation-3: -Note: Repeating this command toggles the current working directory between the current and the previous working directory. Calling cd without arguments sets the working directory to the value of the HOME environment variable, if the variable exists.

Detailed explanation-4: -If you use the cd command without any arguments then your working directory is changed to your home directory.

Detailed explanation-5: -The cd command uses the following options:-L : Force following symbolic links. This option is enabled by default.

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