Linux Command Line Essentials Flashcards

CompTIA Linux+ XK0-006 (V8) 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

CompTIA Linux+ XK0-006 (V8)

This deck covers fundamental Linux commands, syntax, and usage scenarios essential for the CompTIA Linux+ XK0-006 exam.

Share on...