cd :- used to change directory
cd / :- change to root directory
cd .. :- change current directory to parent directory
cd - :- move one directory back from where you are now
cp -r :- used to copy any directory [including hidden files]
cp -f :- force copy by removing the destination files if needed
mv -f :- force move by overwriting destination files without prompt
mv -v :- to move any directory
mv [file1 name] [new file2
name] :- To rename files file1 renames to file2
ls :- list current folder contets
ls -l :- list current folder contets
ls -a :- list all files including hidden files
ls -lh :- it shows size of files in human readable format
ls -R :- shows recursively list of sub-directories
cat [file] :- to display file information
nano [file] :- to display and edit files
chmod +x [file] :- used to executable permission to a file
chmod +X * :- to give executable permission to all files
touch [file name] :- to create a file ,like file.txt
mkdir [name] :- used to create folder / directory
wget :- this command used to download any file from online source like github
rm [file] :- used to remove/Delete any file
git clone [github url] :- used to clone any repository from github
apt search [qurey] :- to search any package
locate [query] :- find all path names contains a pharse
du :- Display directory space usage
df :- display disk usage.
cal :- To display calender
whoami :- it shows your login name
uname -a :- used to Display kernal information
date :- it shows the current date & time
uptime :- this command shows system current uptime
cat /proc/meminfo :- it shows memory information
cat /proc/cpuinfo :- it shows cpu information
cat /proc/version :- it shows information about Linux system
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