Table of Contents
Which of the following action can be used to define a persistent alias?
Which of the following actions can be used to define a persistent alias? Add the command defining the alias to the appropriate shell configuration file.
Which command will display a list of the currently defined aliases on the system?
List Currently Defined Aliases in Linux. You can see a list of defined aliases on your profile by simply executing alias command.
Which of the following commands removes a currently defined aliased command?
alias [name=’command’] What command removes an alias.
What command should you enter to see a list of all the commands you recently used at the command prompt?
Using Doskey History Command: On the Command Prompt home screen, type in the command doskey /history and press Enter. This would list down all of the previously executed commands in that session on Command Prompt.
What does going alias mean?
An assumed or additional name used by a person, frequently to conceal her true identity, or such a name applied to a person by others. An example of an alias is when a person goes into the Witness Protection Program, and they have to assume a new identity with a new name so no one can find them.
Which of the following has a process ID PID of 1?
Which of the following has a process ID (PID) of 1? The initial (init) program gets the process ID (PID) of 1 because it’s the first process to run on the system. The BIOS, boot loader, and OS kernel do not receive a PID.
Where are aliases defined in Linux?
Aliases allow you to define new commands by substituting a string for the first token of a simple command. They are typically placed in the ~/. bashrc (bash) or ~/. tcshrc (tcsh) startup files so that they are available to interactive subshells.
How do I list aliases?
To list all the aliases defined in the system, open a terminal and type alias . It lists each alias and the command aliased to it. As for removing an alias permanently, you can do this by opening your .
Where are Linux aliases?
To see a list of aliases set up on your linux box, just type alias at the prompt. You can see there are a few already set up on a default Redhat 9 installation. To remove an alias, use the unalias command.
What does Unalias mean in Linux?
The unalias command is used to remove entries from the current user’s list of aliases. unalias removes aliases created during the current login session. It also suppresses permanent aliases; however, they are affected only for the current login session and are restored after the user logs in again.
What is Alias CMD?
In computing, alias is a command in various command-line interpreters (shells), which enables a replacement of a word by another string. It is mainly used for abbreviating a system command, or for adding default arguments to a regularly used command.
Which of the following commands displays all the lines in the Blue_and_gold file that do not contain the word Karen?
The grep -v blue_and_gold Karen command displays all the lines in the Karen file (if it exists) that do not contain the words “blue_and_gold”.
What command can you use to see list of scheduled tasks running on your computer?
View scheduled tasks At the command prompt, type the net start command, and then press ENTER to display a list of currently running services. At the command prompt, do one of the following steps: To view a list of tasks that you scheduled by using the at command, type the at \\computername line, and then press ENTER.
How do I list in CMD?
Steps Open File Explorer in Windows. Click in the address bar and replace the file path by typing cmd then press Enter. This should open a black and white command prompt displaying the above file path. Type dir /A:D. There should now be a new text file called FolderList in the above directory.
What are the best CMD commands?
21 CMD Commands All Windows Users Should Know ASSOC: Fix File Associations. FC: File Compare. IPCONFIG: IP Configuration. NETSTAT: Network Statistics. PING: Send Test Packets. TRACERT: Trace Route. POWERCFG: Power Configuration. SHUTDOWN: Turn Off Computer.
What is alias name why it is important and how we define it?
Aliases are created to make table or column names more readable. The renaming is just a temporary change and table name does not change in the original database. Aliases are useful when table or column names are big or not very readable. These are preferred when there are more than one table involved in a query.
What should I write in alias?
The names you must include are the following: Name you currently use. Your maiden name, if applicable, even if it is your current name. Nicknames which you publicly use on other forms, usually a derivative of your name, such as if your name is Daniel and have been known as Dan or Danny.
Which process will always have a PID of 1 and a PPID of 0?
The first process started by the Linux kernel is the init daemon. It has a PID of 1 and a PPID of 0 that refers to the kernel itself. Thus the correct option is c .
What is the name of the process which has a process ID of 1 on your VM?
Each time the process ID is changed for all processes except init. The init process is always the first process in the system and the ancestor of all other processes, it holds PID 1.
What does a PPID of 1 mean?
A process ID value of 1 indicates that there is no parent process associated with the calling process.” That printf instruction was executed within the parent process, so it returned 1 because it does not have a parent process.
How do you set permanent alias?
Steps to create a permanent Bash alias: Edit ~/. bash_aliases or ~/. bashrc file using: vi ~/. bash_aliases. Append your bash alias. For example append: alias update=’sudo yum update’ Save and close the file. Activate alias by typing: source ~/. bash_aliases.
How do you create alias name for a file in Linux?
As you can see, the Linux alias syntax is very easy: Start with the alias command. Then type the name of the alias you want to create. Then an = sign, with no spaces on either side of the = Then type the command (or commands) you want your alias to execute when it is run.
How do I find an alias name on a UNIX server?
Re: Finding all DNS aliases for a host using nslookup/dig/host or similar command. This will give a list of hostname->hostname aliases. You can grep your hostname from this to find your alises.
