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] [Y] [Z] Radio button RAM defined disk Random access memory. [See RAM] Random bytes, generating random file Random number generator RANDOM variable RAS rc file rc.local file rc.netboot file rcp utility 2nd RDF Read access 2nd user input read builtin 2nd 3rd 4th 5th read() system call 2nd Readline Library about 2nd completion readnews utility readonly builtin 2nd 3rd 4th Readonly memory. [See ROM] Readonly variable reboot utility rec.skiing newsgroup Recursion defined example infinite, alias 2nd Recursive plunge. [See Recursion; infinite, alias] Redirect data fork operators, bash output standard error 2nd 3rd 4th input 2nd output 2nd 3rd 4th 5th output and error output of background job output using tee output, and append Redirection 2nd 3rd 4th Reentrant code 2nd Reexecuting commands 2nd Refresh screen Regular character Regular expression \(...\) bracket expression ampersand 2nd anchor asterisk awk bracket bracketing caret character class defined delimiter dollar sign empty extended 2nd full grep list operator longest match period quoted digit quoting parentheses quoting special characters replacement string rules of use simple string special character special character, quoting square bracket summary vim rehash builtin Relational operator Relative pathname 2nd 3rd 4th release command (cvs) Release, CVS Religious statue, miniature. [See Icon] Remainder operator Remote Access Server. [See RAS] filesystem procedure call. [See RPC] Remove directory using rmdir file using rm link using rm variable remove command Rename directory using mv file using mv 2nd rename shell script renice utility Repair filesystem repeat builtin Repeating a command Replacement string 2nd 3rd 4th REPLY variable 2nd Request for Comments. [See RFC] Reserved port. [See Privileged port] reset utility Resolver 2nd Resource Description Framework. [See RDF] Resource fork 2nd 3rd Restore Return code. [See Exit; status] RETURN key 2nd 3rd 4th Reverse single quotation mark. [See Back tick] rexecd daemon RFC RFS Ritchie, Dennis rlogin utility 2nd rm utility 2nd 3rd 4th 5th 6th rmdir utility 2nd rmstar variable rn utility Roam ROM Root directory 2nd 3rd 4th filesystem login root directory root login root user. [See Superuser] ROT13 Rotate file Router, network 2nd 3rd RPC 2nd rpc file 2nd rpcinfo utility RSA encryption rsh utility 2nd 3rd rtag command (cvs) Run background command defined program shell script |