Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Y] [Z] read permission reading with mail with mutt with pine INSTALL and README files newsgroup messages in tin pine README files 2nd real time recipes for procmail command 2nd 3rd redirecting output of scripts and saving to files to multiple locations with stderr reget command regular expressions (regexp) finding lines with specific characteristics table of using with grep relative names remote systems checking connections to 2nd connecting with ssh with telnet tracing connections with traceroute working with remote directories removing directories files line numbering in vi permissions renice command 2nd replacing [See searching and replacing.] reports restarting daemons rm command deleting directories and files with flags for removing files removing hard links rmdir command 2nd root directory 2nd root users [See also system administrators.] about becoming root changing system configuration checking boot messages logging in as monitoring system responsibilities of 2nd 3rd security of root password with telnet 2nd setting date and time starting and stopping daemons using sudo utility instead of root using watch utility ROT13 encoding embedding in shell script using with sed rpm rsync utility 2nd runique command running scripts and programs accepting input while running scripts checking job status checking processes running command-line arguments in scripts commands and flags for controlling job priorities deleting processes foreground jobs making executable scripts running background jobs commands scheduling one-time jobs setting up regularly occurring jobs suspending jobs 2nd timing jobs |