One-Stop-Linux 🐧

As already described in About section , One-Stop-Linux 🐧 will be a one stop resource which can help you get a walkthrough of basic Linux Commands 👨‍💻, whether you are noob or experienced this resource would definitely help you get on the track 🏋️‍♂️

Files and Navigating ▶

Command	What it does
ls	directory listing ( list all files / folders on current dir )
ls -l	formatted listing
ls -la	formatted listing including hidden files
cd dir	change directory to dir ( dir will be directory name )
cd ..	change to parent directory
cd ../dir	change to dir in parent directory
cd	change to home directory
pwd	show current directory
mkdir dir	create a directory dir
rm file	delete file
rm -f dir	force remove file
rm -r dir	delete directory dir
rm -rf dir	remove directory dir
rm -rf /	launch some neuclear bombs targetting your system
cp file1 file2	copy file1 to file2
mv file1 file2	rename file1 to file2
mv file1 dir/file2	move file1 to dir as file2
touch file	create or update file
cat file	output contents of file
cat > file	write standard input into file
cat >> file	append standard input into file
tail -f file	output contents of file as it grows

Networking ▶

Command	What it does
ping host	ping host
whois domain	get whois for domain
dig domain	get DNS for domain
dig -x host	reserve lookup host
wget file	download file
wget -c file	continue stopped download
wget -r url	recursively download files from url
curl url	outputs the webpage from url
curl -o meh.html url	writes the page to meh.html
ssh user@host	connect to host as user
ssh -p port user@host	connect using port
ssh -D user@host	connect & use bind part

Processes ▶

Command	What it does
ps	display currently active processes
ps aux	detailed outputs
kill pid	kill process with process id ( pid )
killall proc	kill all processes named proc

System Info ▶

Command	What it does
date	show current date / time
uptime	show uptime
whoami	who you're logged in as
w	display who is online
cat/proc/cpuinfo	display cpu info
cat/proc/meminfo	memory info
free	show memory and swap usage
du	show directory space usage
du-sh	displays readable sizes in GB
df	show disk usage
unname -a	show karnel config

Compressing ▶

Command	What it does
tar cf file.tar files	tar files into file.tar
tar xf file.tar	untar into current directory
tar tf file.tar	show contents of archive

Options :

c - create archive
r - table of contents
x - extract 
z - use zip / gzip 
f - specify filename 
j - bzip2 compression
w - ask for confirmation
k - do not overwrite
T - files from files
v - verbose

Permissions ▶

Command	What it does
chmod octal file	change permissions of file

4 - read ( r )
2 - write ( w ) 
1 - execute ( x )

order: owner/group/world

chmod 777 - rwx for everyone
chmod 755 - rw for owner , rx for group world

Some Others ▶

Command	What it does
grep pattern files	search in files for pattern
grep -r pattern dir	search for pattern recursively in dir
locate file	find all instances of file
whereis app	show possible locations of app
man command	show manual page for command