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] [X] [Z] RDBMS (relational database management system) read command read permissions about adding or removing file file and directory group README files purpose of viewing Perl module records adding to tables changing values in existing recovering files with ditto redirecting stderr , stdin , and stdout regex atoms. [See atoms ] regular expressions about 2nd creating atom from range of numbers or letters creating atom matching any character not in list finding lines where one character varies finding lines with specific strings further resources on searching for Perl module using testing relational database management system (RDBMS) about illustrated relative paths absolute and full paths vs. searching symbolic links with 2nd using more complex remote computers copying files with scp command logging into with Telnet remote access to IMAP and POP servers running command line with ssh utility sending and receiving remote files synchronizing directories testing with Telnet using directory as synchronization source verifying host authenticity of removing members of groups, groups, and subgroups packages user accounts renaming files replacing all occurrences of text resource forks 2nd restoring files from backups in Aqua restore command for retrying CPAN download process reverse command in Perl reverse sorting directories with numerically reversing input reversing meaning of test expressions reverting to last saved version of text Ritchie, Dennis M. 2nd 3rd rm command 2nd rmdir command root account about [See also sudo command] administration and other ways of becoming root problems with Mac OS X approach to running command line as searching for setuid root programs sudo command and 2nd root directory defined viewing contents of viewing file information for rsync command about options for remote directory as source for synchronizing synchronizing with local directory as source Ruby on Rails |