| Command | Description |
|---|---|
pwd |
present working directory |
ls |
List files in the directory |
cd |
change the directory |
touch |
Create an empty file |
echo |
display the string |
echo -n |
Display the string without newline |
echo “something” > file |
Redirect the output of echo and create file |
echo “another thing” >> file |
Append the string to the file |
mkdir |
make a new directory |
cd ~ |
home |
cd - |
previous directory |
cd .. |
parent directory |
ls -a |
List all files including hidden files |
cd / |
change to the root directory |
cat |
Concatenate the file line by line and display it on the terminal |
less |
Print the big file line by line |
vim <file> |
open the editor with {a: to go to the insert mode, :wq to write and quit } |
for var in {START..END}; do <COMMAND1>; <COMMAND2>;..; ; done |
|
head <file> |
display the first 10 lines of file |
tail <file> |
display the last 10 lines of file |
head -n <file> |
display first n lines of file |
tail -n <file> |
display last n lines of file |
man <COMMAND> |
Display manual of the COMMAND |