BASIC UNIX SHELL COMMANDS,
See, man command for more help.
Several different shells are common among Unixes,
Bourne (sh), C-Shell (csh), Korn (ksh), bash, tcsh, and more.
With the shell "env" or "set" commands, this is revealed, once logged on.
Common shell commands differ mostly in syntax, see man 'command'.
The disk used 'du' command besides different switches will report in
1/2 kilobyte blocks vs 1024 byte blocks, same for disk free "df".
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Where on the disk am I .. or go there |
| Host% pwd |
Shows where you are now, 'here' |
| Host% cd xxxx |
Moves to a directory, |
| Host% cd ~ | cd |
Goes to your home directory |
| Host% cd ~sam |
Goes to the home of sam's account |
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Geve me a directory listing of my files |
| Host% ls -aCF |
Lists files 'here': short list, names, spl types |
| Host% ls -al |
Lists files 'here': names, dates, size, protection |
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File control, copy, move, delete. |
| Host% cp file f2 |
Copies a file to new name or/and place, |
| Host% cp file ~ |
Could copy sam's file to YOUR home directory |
| Host% mv file f2 |
Move file to a new name (or place) f2 |
| Host% rm -i file |
Remove file, after confirmation |
Change file Modes (permissions) ..
Read, Write, Execute (files or directories). |
| Host% chmod g+r file |
Makes file readable by your group |
| Host% chmod o+r file |
Makes file readable by all others |
| Host% chmod 755 file |
Makes file RWX owner, RX by all others |
Host% finger user
Host% finger lastname |
Will report user mail and telephone number. |
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Host% vi file |
Starts vi editor upon file <ESC> gets out of insert,
<Z><Z> saves and exits vi,
<colon>lt;q> will quit vi without save
Cursor moves with
<h> left, <j> down, <k> up, <l> right
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| Host% vihelp |
Is a 24 line vi editor tutor.
In vi, typing '<colon><!>vihelp' will
show this help
'u' in vi will undo the single last text change
<colon>set<cr> or <colon>set all<cr>
Show setable vi parameters. |
| Host% emacs (no_file) |
Starts the emacs editor with info on its built in tutorial
( not for all beginners ) |
| Host% rup |
Reports on working hosts on the network ** |
| Host% rusers |
Reports on their available users **
** .. Remember Control_C fast exits these |
| Host% who |
Tells who is on this host .. finger @hostname, for others |
User support contact info found under <h> in this menu.
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Welc: For welcome tips .. me: Alters menu appearance
Top: Continues .. Just <cr> Returns to top, also
For some tips q0: qt: qu: qv: h1: h2: h3: h4: h5: h6:
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