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Modify File Permissions
Make File
touch file.txtView File Permissions
ls -al file.txt-rw-r--r-- 1 chris chris 0 Jul 18 16:59 file.txt
Add Execute Permission To User
chmod u+x file.txtAdd Write Permission To Group
chmod g+w file.txtRemove Read Permission From World
Note: “World” in this case means every user who isn’t file’s owner or in the file’s owner usergroup.
chmod o-r file.txtView File Permissions
ls -al file.txt-rwxrw---- 1 chris chris 0 Jul 18 16:59 file.txt