To change mode of a file system object. Files can have r – read, w- write and x-execute permissions. For example: chmod mode FILE chmod 744 script.sh The first number stands for the user who is associated with the file The second number is for the group associated with the file The third number is associated with everyone else who is not a part of the user or group

letters u= user, g= group, o= others

= set the permission exactly like this

r= read, w= write, x= executef

set the permissions owner can read and write , group can read only, others can read only

recursively (-R) change the permssion of the directory and all folders and files it contains to mode 755.

change the permissions for the owner so that the owner can read and write

set the user ID so anyone can acccess the file

does not give access to every user

read and wwrite to everyone

change the client c permission so that owner cannot write but can only see

change the client c permission so that owner cannot write but can only see

after applying this command the user cannot change the  directory

it will set the read and wrote permission for other users of text files

user have read and write permissions. group and others have only read permission

ewe can add the execute permission for everyone.

remove read permission for others

to change the owner of the file

to change ownership to root  use sudo

reports when file change is made

change permissions for the group and writ permissions for file.txt file

change permissions for the group and writ permissions for file.txt file

it changes the permisions for all the owner,group and other users

this command removes read and execute permissions from file.txt.

changes the files and directories recursively