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how to change the permissions for a file or dir in Linux or Unix

5 June 2020

Simple Syntax: chmod 744 yourfile.ext Below Codes can be helpful to set permissions 400 = Read by owner 200 = Write by owner 100 = Execute by owner 040 = Read by group 020 = Write by group 010 = Execute by group 004 = Read by others 002 = Write by others 001 = Execute by others 777  = anyone can d

Simple Syntax:
 chmod 744 yourfile.ext
Below Codes can be helpful to set permissions 400 = Read by owner 200 = Write by owner 100 = Execute by owner 040 = Read by group 020 = Write by group 010 = Execute by group 004 = Read by others 002 = Write by others 001 = Execute by others 777  = anyone can do anything (read, write, or execute) 755  = you can do anything; others can only read and execute 711  = you can do anything; others can only execute 644  = you can read and write; others can only read Moreover you can get help for the command:
 man chmod
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