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Linux Command Line Essentials Flashcards
| Front | Back |
| alias | Creates shortcuts for commands |
| cat | Displays the contents of a file |
| cd | Used to change the current directory |
| chmod | Changes file or directory permissions |
| chown | Changes file or directory ownership |
| clear | Clears the terminal screen |
| cp | Command to copy files or directories |
| curl | Transfers data from or to a server using various protocols |
| df | Displays filesystem disk space usage |
| df -h | Displays human-readable disk space usage |
| du | Shows disk usage for files and directories |
| du -sh | Summarizes disk usage in human-readable format |
| echo | Displays text or data to standard output |
| env | Shows environment variables |
| export | Sets environment variables for the current session |
| find | Locates files and directories based on criteria |
| grep | Searches files for a specific pattern |
| gunzip | Decompresses gzip-compressed files |
| gzip | Compresses files using the gzip format |
| head | Displays the first few lines of a file |
| history | Displays previously executed commands |
| ifconfig | Displays and configures network interfaces |
| ip | Modern command to display/manipulate network settings |
| kill | Terminates a specific process using its PID |
| kill -9 <PID> | Forcefully kills a process |
| less | Views file contents with backward navigation capability |
| locate | Quickly finds files using a pre-built database |
| ls | Command to list directory contents |
| man | Displays the manual page for a command |
| mkdir | Command to create new directories |
| more | Views file contents page by page |
| mv | Command to move or rename files or directories |
| nano | Command-line text editor |
| ping | Tests connectivity to a specific host |
| ps | Displays active processes |
| ps aux | Displays detailed information about all processes |
| pwd | Prints the current working directory path |
| rm | Command to remove files or directories |
| rmdir | Command to remove empty directories |
| rsync | Synchronizes files or directories remotely and locally |
| scp | Copies files securely between hosts |
| ssh | Securely connects to a remote system |
| sudo | Runs commands with elevated privileges |
| tail | Displays the last few lines of a file |
| tar | Archives files into a compressed or uncompressed format |
| top | Displays real-time system and process monitoring |
| touch | Creates an empty file or updates file timestamps |
| uname | Displays system information |
| uptime | Shows system uptime and load averages |
| vim | Advanced text editor with modes for editing and navigating |
| wget | Downloads files from the internet |
| whoami | Displays the current user name |
Front
mkdir
Click the card to flip
Back
Command to create new directories
Front
rm
Back
Command to remove files or directories
Front
ssh
Back
Securely connects to a remote system
Front
ping
Back
Tests connectivity to a specific host
Front
kill -9 <PID>
Back
Forcefully kills a process
Front
tail
Back
Displays the last few lines of a file
Front
sudo
Back
Runs commands with elevated privileges
Front
du -sh
Back
Summarizes disk usage in human-readable format
Front
history
Back
Displays previously executed commands
Front
df -h
Back
Displays human-readable disk space usage
Front
ls
Back
Command to list directory contents
Front
du
Back
Shows disk usage for files and directories
Front
alias
Back
Creates shortcuts for commands
Front
cat
Back
Displays the contents of a file
Front
df
Back
Displays filesystem disk space usage
Front
less
Back
Views file contents with backward navigation capability
Front
gzip
Back
Compresses files using the gzip format
Front
cp
Back
Command to copy files or directories
Front
curl
Back
Transfers data from or to a server using various protocols
Front
echo
Back
Displays text or data to standard output
Front
vim
Back
Advanced text editor with modes for editing and navigating
Front
chown
Back
Changes file or directory ownership
Front
man
Back
Displays the manual page for a command
Front
whoami
Back
Displays the current user name
Front
uptime
Back
Shows system uptime and load averages
Front
wget
Back
Downloads files from the internet
Front
chmod
Back
Changes file or directory permissions
Front
pwd
Back
Prints the current working directory path
Front
rmdir
Back
Command to remove empty directories
Front
ps aux
Back
Displays detailed information about all processes
Front
mv
Back
Command to move or rename files or directories
Front
tar
Back
Archives files into a compressed or uncompressed format
Front
ps
Back
Displays active processes
Front
rsync
Back
Synchronizes files or directories remotely and locally
Front
more
Back
Views file contents page by page
Front
head
Back
Displays the first few lines of a file
Front
kill
Back
Terminates a specific process using its PID
Front
ip
Back
Modern command to display/manipulate network settings
Front
gunzip
Back
Decompresses gzip-compressed files
Front
scp
Back
Copies files securely between hosts
Front
cd
Back
Used to change the current directory
Front
grep
Back
Searches files for a specific pattern
Front
uname
Back
Displays system information
Front
touch
Back
Creates an empty file or updates file timestamps
Front
ifconfig
Back
Displays and configures network interfaces
Front
env
Back
Shows environment variables
Front
export
Back
Sets environment variables for the current session
Front
clear
Back
Clears the terminal screen
Front
top
Back
Displays real-time system and process monitoring
Front
nano
Back
Command-line text editor
Front
find
Back
Locates files and directories based on criteria
Front
locate
Back
Quickly finds files using a pre-built database
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This deck covers fundamental Linux commands, syntax, and usage scenarios essential for the CompTIA Linux+ XK0-006 exam.