C Shell Command Line Examples

Computer History Notes - Herong's Tutorial Notes

∟1978 - The C Shell Developed by Bill Joy

∟C Shell Command Line Examples

This section provides some C shell command line examples with explanations.

Below are some C shell command line examples with explanations:

set
      Displays the values of all shell variables.

set history=50
      Tells the shell to keep track of the last 50 commands.

set noclobber
      Don't overwrite an existing file

set filec
      Provide me filename completion when I hit ESC

set ignoreeof
      Don't log me out when I hit ^D (eof)

set history 40
      Keep last 40 commands in a buffer

set histsave 40
      Keep last 40 commands in file .history

set prompt="\!%"
      Sets the prompt to be the command number and %
      ! in prompt means the command number

date
      Displays the date.

cat > myself
(Type in some words about yourself)
^D
      Creates a file and lets you to enter text from the keyboard.

ls -l
      Lists the contents of the current directory in long format.

alias dir ls
      Assigns "ls" to the alias name "dir".

dir -l
      Same as "ls -l".

cat myself
      Displays the contents of "myself" on the screen.

history
      Displays the history list.

!4
      Repeats the 4th command in the history list.

sleep 200
^C
      A dummy command. It runs for 200 seconds.
      "Ctrl-C" cancels the execution of any command.

!!
^Z
      Repeats the last command "sleep 200".
      "Ctrl-Z" stops the execution of any command.

jobs
      Lists background jobs.

kill %1
      Kills the first background job.

command &
      Runs the command in the background

fg %1
      Brings the first job into the foreground

bg %1
      Starts the first job (stopped currently) in the background

stop %1
      Stops the first job

nohup command &
      Run the command in background and detach it from terminal.
      So you can logout and let the job continue.