Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [R] [S] [T] [U] [V] [W] [X] [Y] [Z] packaging pagers less 2nd 3rd more 2nd 3rd passwd command password changing passwords selecting 2nd patch command PATH environment variable locating files in path variables paths [See also hard disks;directories] absolute path statements 2nd relative path statements 2nd pattern matching Perl (Practical Extraction and Report Language) permissions changing recursively file permissions viewing 2nd group permissions changing 2nd setting 2nd personal information, updating with chfn command 2nd PID versus job number PID (process ID) pipes 2nd popd command changing directories 2nd 3rd Practical Extraction and Report Language [See Perl] practicing environment customization logins and logouts print jobs checking status of 2nd removing from print queue 2nd spooling print queue print servers printers printing number of copies specifying processes automating background processes multitasking background, sending to foreground 2nd controlling processes converting to background process 2nd currently running displaying job number displaying 2nd killed killing multitasking PID versus job number scheduling 2nd for single interval signaling stopping programming ps command pushd command changing directories 2nd 3rd pwd command 2nd |