Elite QandA


What do you need to start a new Bourne Again Shell session?


  1. What do you need to start a new Bourne Again Shell session?
  2. Why is bash called Bourne Again Shell?
  3. What would you enter at the command prompt on a Linux system to display the IP addresses and the subnet masks assigned to each network interface on a Linux system?
  4. Which Windows tool do you use to browse the file system on a drive?
  5. What does uname mean in Linux?
  6. What is Dash Z in bash?
  7. Which expansion slot is best for high end video cards?
  8. How you will install an operating system on your computer?
  9. How do you set up uname?
  10. How do I use uname command?
  11. Is not empty bash?
  12. Where do I start when installing an operating system?
  13. How do I start my computer without Windows?
  14. What is the fastest PCI slot?
  15. Which expansion slot has the potential for being the fastest?
  16. How does uname command work?
  17. What is the uname a command?
  18. What is uname in bash?
  19. How do you check if a $1 is empty in bash?
  20. Do while loops bash?

What do you need to start a new Bourne Again Shell session?

What would you enter at the command prompt to start a new Bourne-again shell (bash) session? The bash command opens a Bourne-again sheel (bash) session.

Why is bash called Bourne Again Shell?

1.1 What is Bash? Bash is the shell, or command language interpreter, for the GNU operating system. The name is an acronym for the ' Bourne-Again SHell ', a pun on Stephen Bourne, the author of the direct ancestor of the current Unix shell sh , which appeared in the Seventh Edition Bell Labs Research version of Unix.

What would you enter at the command prompt on a Linux system to display the IP addresses and the subnet masks assigned to each network interface on a Linux system?

What would you enter at the command prompt on a Linux system to display the IP addresses and the subnet masks assigned to each network interface on a Linux system? The ifconfig command displays the IP addresses and the subnet masks assigned to each network interface installed on a Linux system.

Which Windows tool do you use to browse the file system on a drive?

Which Windows tool do you use to browse the file system on a drive? File Explorer is a graphical user interface designed to give the user easy access to the file system.

What does uname mean in Linux?

unix nameuname (short for unix name) is a computer program in Unix and Unix-like computer operating systems that prints the name, version and other details about the current machine and the operating system running on it.

What is Dash Z in bash?

The -z flag causes test to check whether a string is empty. Returns true if the string is empty, false if it contains something. NOTE: The -z flag doesn't directly have anything to do with the "if" statement. The if statement is used to check the value returned by test. The -z flag is part of the "test" command.

Which expansion slot is best for high end video cards?

Video cards are normally designed to fit in x16 slots since they are the fastest. You can also get video cards designed for x1 slots. Those are normally used only if you want more than one video card in the computer.

How you will install an operating system on your computer?

Operating System Installation TasksSet up the display environment. Erase the primary boot disk. Set up the BIOS. Install the operating system. Configure your server for RAID. Install the operating system, update the drivers, and run operating system updates, as necessary.

How do you set up uname?

To change the system name:Log in as root.Modify the system name using the command: uname -S newname. Relink the kernel by entering: ./link_unix. Run mkdev mmdf and change the host name at the top of the window.If you have SCO TCP/IP installed and configured, make these changes:

How do I use uname command?

Options and Examples - -s option: It prints the kernel name. -n option: It prints the hostname of the network node(current computer). -r option: It prints the kernel release date. -v option: It prints the version of the current kernel. -m option: It prints the machine hardware name.

Is not empty bash?

To find out if a bash variable is empty: Return true if a bash variable is unset or set to the empty string: if [ -z "$var" ], Another option: [ -z "$var" ] && echo "Empty" Determine if a bash variable is empty: [[ ! -z "$var" ]] && echo "Not empty" || echo "Empty"

Where do I start when installing an operating system?

Operating System Installation TasksSet up the display environment. Erase the primary boot disk. Set up the BIOS. Install the operating system. Configure your server for RAID. Install the operating system, update the drivers, and run operating system updates, as necessary.

How do I start my computer without Windows?

Use a bootable CD-ROM or bootable USB memory stick.You may need to go into the BIOS to enable booting from these devices.Some computers can boot off of the Ethernet if an appropriate server has been set up.

What is the fastest PCI slot?

Video cards are normally designed to fit in x16 slots since they are the fastest. You can also get video cards designed for x1 slots. Those are normally used only if you want more than one video card in the computer.

Which expansion slot has the potential for being the fastest?

AGP expansion cards are available in four versions: 1X, 2X, 4X and 8X. AGP-8X is the fastest, with a transfer rate of 2,100 megabytes per second. The cards are also available in three slot configurations designed to be powered from the motherboard by 1.5 volts, 3.3 volts or both.

How does uname command work?

The uname tool is most commonly used to determine the processor architecture, the system hostname and the version of the kernel running on the system. When used with the -n option, uname produces the same output as the hostname command. -r , ( --kernel-release ) - Prints the kernel release.

What is the uname a command?

The uname command is used to print basic system information. It is usually invoked with the -a option to display all available information.

What is uname in bash?

Shell command uname: print system information such as computer and kernel name or CPU info. uname prints information about the system. If uname is executed without option, it prints the kernel name (that is the same output as uname -s does).

How do you check if a $1 is empty in bash?

To find out if a bash variable is empty:Return true if a bash variable is unset or set to the empty string: if [ -z "$var" ],Another option: [ -z "$var" ] && echo "Empty"Determine if a bash variable is empty: [[ ! -z "$var" ]] && echo "Not empty" || echo "Empty"Apr 5, 2021

Do while loops bash?

There is no do-while loop in bash. To execute a command first then run the loop, you must either execute the command once before the loop or use an infinite loop with a break condition.



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What is the main difference between PERT and CPM?

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