Using Command Line Completion
tracer = Completes to traceroute command
cd /home/ch = Completes to /home/chris directory
cd ~jo = Completes to /home/john
echo $PA = Env variable completion: Completes to $PATH
ping = Show hosts from /etc/hosts
!# /bin/bash filename.sh = executing a shell script
/ = root directory for the entire system
Type the first few letters of a command and then press the ‘Tab’ key twice to list the commands that start with those letters.
Press the ‘Tab’ key twice at an empty command prompt and you will get a list of all the commands.
Manual pages for each package ie php etc. are divided into 8
sections namely general user commands, system calls, programming
routines, special files, configuration files, games, miscellaneous and
administrative commands and respective daemons.