Tutorials

• manual for 'comand': 'man comand' or 'comand --help'
• learn course: learn

Free telnet/ssh client: PuTTY

• current version: 0.59
• download: http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html

Login/Logout

• login from one server to another: ssh -l 'name' 'host'
• close session: logout
• stop terminal: exit
• recent commands: history

Folders

• change folder to 'dir1': cd dir1
• create folder 'dir1': mkdir dir1
• show current location: pwd
• folder content: ls
  • short: ls [dir1]
  • full description: ls -l [dir1]

Files

• copy file f1 into f2: cp dir1/f1 dir2/f2
• concatenates f1 and f2 into f3: cat f1 f2 > f3
• compare two files: cmp f1 f2
• lists file differences: diff f1 f2

File content: more fileA

• start at line number num: +num
• squeeze multiple blank lines into one: -s


COMMANDS
• quit: q (Q)
• help: h or ?
• screen forward: SPACE
• string forward: RETURN
• screen back: b
• show current line number: =

Remove files/folders: rm

• delete (remove) files 'file1 & file2': rm file1 file2
• remove with mask: rm *.txt
• remove directory: 'dir1 & dir2': rm -r dir1 dir2
• remove directory 'dir1' w/o questions: rm -rf dir1
• remove directory 'dir1' interactively: rm -ri dir1

Rename/move files/folders: mv

• rename file f1 as f2: mv f1 f2
• put 'file1' in 'dir1': mv file1 dir1
• put 'dir1' in 'dir2': mv dir1 dir2
• move with mask: mv dir1/*.html dir2/

Links: ln

• symbolic link: ln -s 'target' 'name_of_the_link'

Access rights: chmod

• change access to 'file1': chmod 777 file1
• change access recursive to files and folders: chmod -R 644 *

Archives

• unpack tar.gz-archive 'archive1': tar -zxf archive1.tar.gz
• unpack zip-archive 'archive1': unzip archive1.zip
• pack file 'file1': gzip -c file1 > archive1.gz
• pack 'dir1' into archive:
  • tar -czf archive1.tar.gz dir1
  • tar cf - dir1 | gzip > archive1.tgz

ftp- file transfer

• connection: ftp 'server_address'
• put 'file1': put file1
• get 'file1': mget file1
• close connection: quit

joe-editor

• edit 'file1': joe file1


COMMANDS
• Ctrl-K, H — help
• Ctrl-K, F — search
• Ctrl-L — next search position
• Ctrl-Y — remove string
• Ctrl-K, X — exit w/o saving file
• Ctrl-C — exit with saving file