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UNIX for Dummies Questions & Answers
Unix question
Post 40479 by davidg on Tuesday 16th of September 2003 12:10:02 PM
09-16-2003
Hi,
Great to see a new person joining the unix club.
On the web there are several docs to learn unix. Just try to search for them.
But, as your questions should be answered :
Where Windows has a C, D drive Unix has Filesystems.
You can see them using "df -kl" (on Solaris). The difference is that a Drive (Filesystem called under Unix) can be in the path of an excisting Filesystem. So can /var be a Filesystem containing many directories and files plus the directorie adm, which is a Filesystem on itselfes again
Unix uses variables just like Windows. Type "set" from the command prompt and from a cmd-box under Windows. You'll see the ones that are specified.
ksh/sh/csh/bash/tcsh are kind of cmd-boxes, each "Shell" has it's own habbits. So it's not the box itself that has the habbits, but it's the "command line interpetor" that has it's own habbits. Just perform "ksh" or "csh", etc ones and see what the differences are. Most of all you need to get a bit more expert to know the differences.
root is indeed the same as what we call administrator under Windows.
Absolute path means you do not specify ../to/my/dir but you specify /homedirs/to/my/dir . So, no .. to specify upper-dir than changedir. You always start an absolute path with a "/".
Please read some docs. Cause it's way to much for me to explain it all.
Be aware that the most important command under unix is "man" if you don't know what it does, just type "man man"
Regs David
Great to see a new person joining the unix club.
On the web there are several docs to learn unix. Just try to search for them.
But, as your questions should be answered :
Where Windows has a C, D drive Unix has Filesystems.
You can see them using "df -kl" (on Solaris). The difference is that a Drive (Filesystem called under Unix) can be in the path of an excisting Filesystem. So can /var be a Filesystem containing many directories and files plus the directorie adm, which is a Filesystem on itselfes again
Unix uses variables just like Windows. Type "set" from the command prompt and from a cmd-box under Windows. You'll see the ones that are specified.
ksh/sh/csh/bash/tcsh are kind of cmd-boxes, each "Shell" has it's own habbits. So it's not the box itself that has the habbits, but it's the "command line interpetor"
that has it's own habbits. Just perform "ksh" or "csh", etc ones and see what the differences are. Most of all you need to get a bit more expert to know the differences.root is indeed the same as what we call administrator under Windows.
Absolute path means you do not specify ../to/my/dir but you specify /homedirs/to/my/dir . So, no .. to specify upper-dir than changedir. You always start an absolute path with a "/".
Please read some docs. Cause it's way to much for me to explain it all.
Be aware that the most important command under unix is "man" if you don't know what it does, just type "man man"
Regs David
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LEARN ABOUT OSF1
learn
learn(1) General Commands Manual learn(1) NAME
learn - Provides computer-aided instruction for the C shell SYNOPSIS
learn [-directory] [subject] [lesson] The learn command provides computer-aided instruction courses and practice in the use of Tru64 UNIX. OPTIONS
Allows you to exercise a script in a nonstandard place. DESCRIPTION
To get started, enter learn; if this is the first time that you are invoking the learn command, you are guided through a series of ques- tions to determine what type of instruction you want to receive. If you have used learn before and left your last session without completing a subject, the program uses information in $HOME/.learnrc to start you up in the same place you left off. To bypass questions, enter a subject or lesson. In order to enter a lesson, you must know the lesson number that you received in a previ- ous learn command session. If you do not know the lesson number, enter the lesson number as a subject. The learn command searches for the first lesson containing the subject you specified. If the lesson is a - (dash), learn prompts for each lesson; this is useful for debug- ging. You can specify the following subjects: files editor vi morefiles macros eqn C SUBCOMMANDS
There are a few special commands. The bye command terminates a learn session, and the where command tells you of your progress (where m tells you more.) The again command redisplays the text of the lesson and again lesson lets you review lesson. The hint command prints the last part of the lesson script used to evaluate a response, while hint m prints the entire lesson script. This is useful for debugging lessons and might possibly give you an idea about what is expected. EXAMPLES
To take the online lesson about files, enter: learn files You are then prompted for further input. FILES
Playpen directories. Start-up information. SEE ALSO
Commands: csh(1), ex(1) learn(1)