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  1. Asked: June 21, 2024In:

    Which of the following commands is used to update access and modification times of a file?

    Kavya T
    Kavya T Knowledge Contributor

    In Unix, the touch command is used to update access and modification times of a file. If the file specified doesn't exist, touch creates an empty file with the specified name. So, touch is the correct command to update access and modification times of a file

    In Unix, the touch command is used to update access and modification times of a file. If the file specified doesn’t exist, touch creates an empty file with the specified name. So, touch is the correct command to update access and modification times of a file

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  2. Asked: June 21, 2024In:

    Which of the following commands is used to list contents of directories?

    Kavya T
    Kavya T Knowledge Contributor

    The ls command The ls command is used to list files. "ls" on its own lists all files in the current directory except for hidden files.

    The ls command
    The ls command is used to list files. “ls” on its own lists all files in the current directory except for hidden files.

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  3. Asked: June 21, 2024In:

    The agency that sits between the user and the UNIX system is called the

    Kavya T
    Kavya T Knowledge Contributor

    In Unix, the agency that sits between the user and the UNIX system is called the shell. The shell is a command-line interpreter that takes commands from the user and executes them.5 Mar 2016

    In Unix, the agency that sits between the user and the UNIX system is called the shell. The shell is a command-line interpreter that takes commands from the user and executes them.5 Mar 2016

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  4. Asked: June 21, 2024In:

    Which symbol is used to separate more than one command in the same command line?

    Kavya T
    Kavya T Knowledge Contributor

    The semicolon ( ; ) character is used to separate multiple commands on a single line.

    The semicolon ( ; ) character is used to separate multiple commands on a single line.

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  5. Asked: June 21, 2024In:

    The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is

    Kavya T
    Kavya T Knowledge Contributor

    The tee command The tee command, used with a pipe, reads standard input, then writes the output of a program to standard output and simultaneously copies it into the specified file or files

    The tee command
    The tee command, used with a pipe, reads standard input, then writes the output of a program to standard output and simultaneously copies it into the specified file or files

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  6. Asked: June 21, 2024In:

    Which command is used to remove a file?

    Kavya T
    Kavya T Knowledge Contributor

    The rm command The rm command is used to delete files. rm -i will ask before deleting each file. Some people will have rm aliased to do this automatically (type "alias" to check).

    The rm command
    The rm command is used to delete files. rm -i will ask before deleting each file. Some people will have rm aliased to do this automatically (type “alias” to check).

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  7. Asked: June 21, 2024In:

    Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?

    Kavya T
    Kavya T Knowledge Contributor

    In Unix, the command cat emp[! 0-9] is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric character.

    In Unix, the command cat emp[! 0-9] is used to concatenate all files beginning with the string ’emp’ and followed by a non-numeric character.

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  8. Asked: June 15, 2024In:

    You want to view the contents of autoexec.bat on the screen using the "type" command, but it scrolls by too quickly, what switch do you use to make it pause?

    Kavya T
    Kavya T Knowledge Contributor

    The AUTOEXEC. BAT file is used to set defaults and to run programs that should be executed upon startup (comparable to the . login file on Unix accounts).

    The AUTOEXEC. BAT file is used to set defaults and to run programs that should be executed upon startup (comparable to the . login file on Unix accounts).

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  9. Asked: June 15, 2024In:

    Which command is used to suppress the prompt that asks you to confirm that you want to delete the directory?

    Kavya T
    Kavya T Knowledge Contributor

    Delete a Directory in Linux Using the rm Command The different rm command options include: - f : Forces the removal of all files or directories. -i : Prompts for confirmation before removing. -I : Prompts once before removing more than three files or when removing recursively.

    Delete a Directory in Linux Using the rm Command
    The different rm command options include: – f : Forces the removal of all files or directories. -i : Prompts for confirmation before removing. -I : Prompts once before removing more than three files or when removing recursively.

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  10. Asked: June 15, 2024In:

    In DOS, which of the following keys will bypass the CONFIG.SYS and AUTOEXEC.BAT files?

    Kavya T
    Kavya T Knowledge Contributor

    In DOS 6.0 and 6.2, you can bypass your CONFIG. SYS and AUTOEXEC. BAT files by pressing F5 immediately after seeing the "Starting MS-DOS" message on the screen. You can also press F8 , which will cause DOS 6 to ask, for each line in the CONFIG.

    In DOS 6.0 and 6.2, you can bypass your CONFIG. SYS and AUTOEXEC. BAT files by pressing F5 immediately after seeing the “Starting MS-DOS” message on the screen. You can also press F8 , which will cause DOS 6 to ask, for each line in the CONFIG.

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