Section1 Preliminary user and group management

44 minutes04 seconds

Section2 Text processing and regular expressions

01 Hours06 minutes32 seconds

Section3 Input and output redirection and pipes

37 minutes46 seconds

Section4 Process priority foreground and background

24 minutes24 seconds

Section5 Operators and startup scripts

58 minutes33 seconds

Section6 Scripts and interactions

48 minutes20 seconds

Section7 Script flow control

59 minutes48 seconds

Section8 Scriptsed&awk

56 minutes52 seconds