LINUX COMMANDS

Linux:

ls          listing

ls  -l      long listing

ls  -a     listing the hidden files(starts with .)

ls  -s     listing according to the size

ls  -t      listing according to time

ls  -r      listing in reversed order

cd                   change directory

cd ..                change to previous directory

cd ./..              change back to two directories back at a time

cd ~                shows the home directory

mkdir             make a new directory

pwd                shows the present working directory / Current directory

chmod            giving the permissions of the directory or file

umask            change the permissions of the filer or directory

cat  a.txt        opena new file

cat  > a.txt     concatenate/ create a new file

cntrl+D          save and quit the cat file

cntl+Z            suspend the action

cp                  copy

rm                 remove a file

rm  -f            force remove a directory

mv                move