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(27) Shell commands

Shell commands

These commands are all csh/tcsh internal commands, designed to make life easier at the command line

source .cshrc [.login]: Re-reads your log in files as if(almost) you had logged in again. Good for making changes to login files and testing them. Don't make changes to log in files and then log out and back in to test them. You might not be able to log back in.
history: Shows you the history of commands that you have issued. You can raise or lower this number.
[Up Arrow]/[Down Arrow]: The Up/Down arrow keys will move through the history list of previous commands, so that you can re-execute them with minmal retyping.
!!: Execute the last command again.
!23: Execute command number 23 again.
alias: Shows aliases. An alias is a command shortcut. Can make things much simpler and faster.
alias his history: Creates an alias called "his" for the command "history".

slide28.src last modified Jan 31, 2011

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