Execute command of Linux

Question

Dear All,
I want to execute command below but I don't know the step. Could anyone help me on this. I try to enter using root password & type this command but no output appeared. Please advice;
1. File permission of 1) /etc/passwd and 2) /etc/shadow file by executing either one of the command below:
/usr/bin/cat/ls -l /etc/passwd
or cat ls -l /etc/passwd
/usr/bin/cat/ls -l /etc/shadow
or cat ls -l /etc/shadow
2. Password configuration setting of Linux by excuting the all 3 commands
below:
a) /usr/bin/ls -l /var/log/ >var_log.txt
/bin/cat/etc/pam.d/login > etc_pamd_login.txt
b) /bin/cat/etc/login.defs > etc_logindefs.txt
/bin/cat/etc/pam.d/system-auth > etc_pamd_systemauth.txt
c) /bin/cat/etc/pam.d/system-auth > etc_pamd_systemauth.txt
/bin/ls-l/etc/security/opasswd > etc_security_opasswd.txt

Answer 1

The no ip rcmd rsh-enable command does not prohibit a local user of the router from executing a command on other routers and UNIX hosts on the network using rsh. The no form of this command only disables remote access to rsh on the router.
For more information on rsh please click following link:
http://www.cisco.com/en/US/products/sw/iosswrel/ps1831/products_command_reference_chapter09186a00800d9833.html#1018286