Ten linux unix os commands you should know

Ten linux/unix os commands you should know

1- ls
list the files

2- cat
display a file and join more than two files

e.g
cat <file-name.txt>

cat <file1.txt> <file2.txt> ...

3- mkdir
create a diectory
e.g.
mkdir dir-name

4- cp
copy file from existing file to new one

e.g.
cp file1.txt file2.txt

5- mv
move a file name to another
e.g.
mv file1.txt file3.txt

6- uname
To check linux/unix OS and architecture(32/64 bit)

7- cut
To cut specified field/column from a file
e.g.
cut -f 2 file.txt

8- paste
Join two files content into one file
e.g
paste file1.txt file2.txt

9- grep
 Search a string in a file

grep "maria" file1.txt

10- find

find the file in specified location
e.g.
find /home/expert file1.txt