What is chmod 755 and 700
chmod is Linux command used to change file permissions. chmod changes user, group and other read, write and execute permission. chmod 755 is popular use case for chmod . chmod 755 is generally used to make most of the operations without problem because it provides ease for system administrators while running applications.
chmod 755
755 can be separated as
7user can read, write, execute5group can read and execute5others can read and execute
chmod 700
700 can be separated as
7user can read, write, execute0group can not do anything0others can not do anything
rwxr-xr-x
Linux file system permissions provides two type of representation. One is using number we have all ready examined. Another presentation form for 755 is rwxr-xr-x . This is simple read , write and execute permissions.
Sudo
If we do not have required permissions as a normal user we need to get required privileges with the sudo command. We can also use chmod 755 with sudo . In some situations we must use sudo because our current user rights will not meet required privileges.
1 | $ sudo chmod 755 bin |
