Which directory in the FHS contains most system commands and utilities?
CIT222 Chapter 4- Linux Filesystem Management Key Terms
| Question |
Answer |
| /usr |
The directory that contains most system commands and utilities. |
| /var |
The directory that contains log files and spools. |
| chgrp (change group) command |
The command used to change the group owner of a file or directory |
What command can be used to check different kinds of filesystems on Linux for errors? What command can be used to check different kinds of filesystems on Linux for errors? – chkdsk.
What command can be used to check for file system errors group of answer choices? Bottom Line. You can run the CHKDSK command to check for file system errors in Windows and you can run the command from the drive properties window, Command Prompt or Windows PowerShell, or MiniTool Partition Wizard.
When using the chmod command the mode Rwx can be represented by the number?
Numerical permissions
| # |
Sum |
rwx |
| 7 |
4(r) + 2(w) + 1(x) |
rwx |
| 6 |
4(r) + 2(w) |
rw- |
| 5 |
4(r) + 1(x) |
r-x |
| 4 |
4(r) |
r– |
Which directory in the FHS contains most system commands and utilities? – Additional Questions
Why we use chmod in Linux?
The chmod (short for change mode) command is used to manage file system access permissions on Unix and Unix-like systems. There are three basic file system permissions, or modes, to files and directories: read (r) write (w)
What is chmod 777 command?
In a nutshell, chmod 777 is the command you’ll use within the Terminal to make a file or folder accessible to everyone. You should use it on rare occasions and switch back to a more restrictive set of permissions once you’re done.
What are the differences between using symbolic form and numerical form when using the chmod command?
The chmod command is used to change the various permission bits of a file or directory. There are two ways to represent the MODE: Using symbolic modes (letters to indicate the categories and permission) Using numeric modes (An octal (base 8) number that represents the mode)
Which of the following command is used to modify permissions on a file?
The chmod command enables you to change the permissions on a file. You must be superuser or the owner of a file or directory to change its permissions.
Which command can be used to set what your default permissions will be on new files?
umask (user file-creation mode) is a Linux command that lets you set up default permissions for newly created files and folders. 2. A user-defined permissions ‘mask’. A user can choose how to restrict permissions by using a permissions mask.
What type of loop repeats commands between do and done a specified number of times?
A for loop repeats the commands between do and done a specific number of times. Each time the script carries out the commands in the loop, a new value is given to a variable.
Which command line tool can create and modify the partition table provided by Linux?
In Linux, there are several tools that you can use to create partitions, with fdisk being the most commonly used one. In this article, we will talk about the fdisk command. fdisk is a menu-driven command-line utility that allows you to create and manipulate partition tables on a hard disk.
Which type of loop executes a known number of times in shell script?
Nesting Loops
This nesting can go up to unlimited number of times based on your requirement.
Which command is used to display a list of all environment variables and their stored values?
The most used command to displays the environment variables is printenv . If the name of the variable is passed as an argument to the command, only the value of that variable is displayed. If no argument is specified, printenv prints a list of all environment variables, one variable per line.
How do I get a list of environment variables in Linux?
To list all the environment variables, use the command ” env ” (or ” printenv “). You could also use ” set ” to list all the variables, including all local variables.
How do I get a list of all environment variables in Linux?
Linux List All Environment Variables Command
- printenv command – Print all or part of environment.
- env command – Display all exported environment or run a program in a modified environment.
- set command – List the name and value of each shell variable.
Which of the following command is used to display the environment variables only?
Explanation: env command is used to display environment variables only in the current shell.
Which command getting is used in Unix Linux to set environment variable which will be accessible form sub shell?
Explanation: set command is used to display all the variables available in the current shell. set is a built-in command.
Which of the following command is used to print the environment variable shell?
Using the printenv Command
The printenv command-line utility displays the values of environment variables in the current shell.
Which of the following command is used to get the name of current our environment?
To display your current environment variables, use the env command. An environment variable that is accessible to all your processes is called a global variable.
Which symbol is used with the environment variable name in Linux?
Vector environment variables in Linux are active only when you are using Vector. A small subset of these environment variables can be reset in the local environment by the user. Most Vector environment variables are set in the Vector symbol table (symbol. tbl) and are visible only with the user command ingprenv.
Which command is getting used in Unix Linux to set environment?
Summing up
| Command |
Description |
| env command |
Run a program in a modified environment. Print all environment variables. |
| export command |
Command that sets environment (GLOBAL) variables and export environment to a sub-shell or other instances. |
| printenv command |
Print all or part (given) of environment variables on Linux. |
