chmod command is used to change Linux Directory Permissions and Linux Files and File Permissions. Commands for Edirectory when running on Linux or UNIX SUSE Specific.
Display Lines without comment lines starting with a special symbol#Let's say that your comment lines start with the symbol #. You have a handy one-liner for sed that will get rid of them:
sed '/^\#/d' /etc/pamd.confLinux Boot Process
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