The startup and shutdown scripts in /etc/rc.d illustrate the uses (and usefulness) The adduser command is a synonym for useradd and is usually a symbolic link to it. The lid (list ID) command shows the group(s) that a given user belongs to, .The while construct allows for repetitive execution of a list of commands, The CONSEQUENT-COMMANDS can be any program, script or shell construct.Mar 31, 2005 It serves as a textbook, a manual for self-study, and as a reference and source of knowledge on shell scripting techniques. The exercises and .Jul 19, 2018 Linux lid (libuser-lid) Command Examples - Explains how to list user's How do I list the user's groups or group's users on Linux operating systems? --group, List members of a named group instead of the group memberships for the named user. -n /etc/group file. lid(1) Linux/Unix command man page .The backslash character may be used to remove any special meaning for the next The following options are supported by the Bash read built-in: fd 0 to target file /etc/passwd exec < /etc/passwd # Read the first line of /etc/passwd read .