Linux Flashcards
What are the different linux desktop managers?
KDE, GNOME, XFCE, UNITY
What is the key combination to get to the console of a linux computer?
Ctrl + Alt + F1
What is the difference between the terminal and console?
Terminal is a virtual window into the shell
Console directly communicates to the shell
What is the linux command to change your password?
passwd
What is the linux command to view current directory ?
ls
dir
What is the linux command to view current directory with detailed info?
ls -l
What is the linux command to view an alternate directory?
ls
What is the linux command to display the contents of a file?
cat
How do you assign variables in linux?
n=anything
calling variables:
$n
What is globbing in linux?
Shell interprets wildard characters * and ?
* - All wildward
? - Single character wildcard
ls file?.txt - Specifies 5 characters exactly
ls file*.txt - Specifies any length
What is the linux command to see where a command is stored?
which
whereis
i.e:
which ls
»>
/bin/ls
What is the stored variable $PATH and how do you view it?
It is a group of directories separated by colons, tells the shell where to look for specific commands
echo $PATH
How do you run separate commands on the same line?
;
i.e:
ls; lsmod
What is the linux command to view all commands previously typed?
history
What is the linux command to view documentation on a command?
man
info
man ls
info ls
What is apropos?
apropos or: man -k
command used to see what help documentation has specified text
i.e:
man -k arbitrary
What is the linux command to view a brief desctription of what a command is?
whatis
whatis ls
What is the linux command to view all directories and subdirectories?
ls -R
What is the linux command to see the current working directory?
pwd
What is the linux command to change directory to the user home directory?
cd ~
or
cd
What is the linux command to change to the directory above?
cd ..
What is the parameter to get help with a command?
–help
What is the linux command to see all files including hidden?
ls -a
What is /dev/sda?
Device location of bootloader hard disk
Letter following is the drive ordering
Number signifies the partition i.e /dev/sda1
What is /dev/nvme0n1?
Device location of boot loader NVMe hard disk
Number following is the drive ordering
Partitions specified with p i.e /dev/nvme0n1p1
What is the command to list all files with corresponding file types?
ls -p
What is the command to list all files in order of file size?
ls -s
What is the linux command to run the previous command?
!!
!! is a variable containing last issued command
What is the linux command to permanently switch user on the terminal?
su
What are the different package managers?
apt, yum, dnf, pkg
