Cypress CSC-1200T Guia do Utilizador descarregar pdf (Página 116)

116 Cray T3E User’s Guide

Appendix C

Metacomputer Environment

• help topic (CSC help system)

•

ls (list directory)

• less (print a file to the screen)

• cp (copy a file)

• rm (delete a file)

• mv (move or rename a file)

• cd (change the current directory)

• pwd (print name of the current directory)

• mkdir (create a directory)

• rmdir (delete a directory)

• exit (quit the session)

• passwd (change password)

Unix commands

• less file (print a file to the screen)

• ls -la | less (page the output of a command)

• return (next line)

• space bar (next screen)

• b (previous screen)

• h (list the commands of less)

• q (quits the less program)

Paging with less

• emacs file (start the emacs editor)

• Notation Ctrl-c means: “hold down the

Control key and press the c key”

• Moving: cursor keys and Ctrl-f (forward),

Ctrl-b (back), Ctrl-n (next line),

Ctrl-p (previous line)

• Ctrl-x Ctrl-c (quit and save)

• Ctrl-x Ctrl-s (save)

• Ctrl-g (interrupt an emacs command)

• Ctrl-h Ctrl-h (Emacs help system)

Emacs editor

lynx, mosaic, netscape (hypertext

information system)

•

•

usage program (quick help for programs)

• man program (manual pages)

• msgs (system messages)

Help commands

• ftp computer (file transfer program,

help lists commands, quit ends the session)

• Example with ftp:

ftp cypress.csc.fi (open session)

bin (binary transfer)

dir (directory listing in Cypress)

put file1 (put the file to Cypress)

get file2 (get the file from Cypress)

quit (end of session)

• scp computer1:file1 computer2:file2

(copy files between computers).

• rcp computer1:file1 computer2:file2

(copy files between computers).

File transfer

• saldo (show CPU quota)

• quota -v (disk quota)

• ps (process status)

• top (continuous process status)

• uptime (show the load of the computer)

• who (list logged-in users)

• finger user@computer (gives information

about a user)

• df -k (disk status in kilobytes)

• du -k (disk space used by a directory)

• qsub, nqeq, nqestatus (submit and get status

of batch jobs)

System status

• fsput file (put the file to the file server)

• fsget file (get the file from the file server)

• fsls (list the files in the file server)

• man fsput (manual page for the command)

Fileserver

© Center for Scientific Computing 1998

ssh computer (open a new secure session)

• telnet computer (open a new session)

•

• rlogin computer (open a new session)

• Modem lines (1200–28800 bps):

(09) 455 0399, (09) 455 0322

•

•

Networking

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