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Homework & Coursework Questions
Assignment Help
Post 302598965 by jessesaini on Wednesday 15th of February 2012 10:02:11 PM
02-15-2012
Assignment Help
1. List commands
to create the directory hierarchy $HOME/a/b/c
in vi to replace all occurences of TMP with tmp in lines 1 through 10
in vi to replace first occurence of CPU_file with DISK_file at line 15
2. Explain with a very simple example, usage of "ls -a"
3. What do the following commands do
a. ls -ls / > /tmp/ls_list
b. more /etc/passwd > /tmp/opl
c. find $HOME -type f > $HOME/files_list
d. find /tmp > /tmp/abc
4. Evaluate
$ FILE=pwd
$ echo $FILE --> What will this print ?
$ FILE=$HOME
$ cd $HOME/project --> what does this do ?
5. chmod command has an option -R. What is its purpose,
Explain with an example. (create needed files etc. in your homedirectory
to explain this)
Help me
to create the directory hierarchy $HOME/a/b/c
in vi to replace all occurences of TMP with tmp in lines 1 through 10
in vi to replace first occurence of CPU_file with DISK_file at line 15
2. Explain with a very simple example, usage of "ls -a"
3. What do the following commands do
a. ls -ls / > /tmp/ls_list
b. more /etc/passwd > /tmp/opl
c. find $HOME -type f > $HOME/files_list
d. find /tmp > /tmp/abc
4. Evaluate
$ FILE=pwd
$ echo $FILE --> What will this print ?
$ FILE=$HOME
$ cd $HOME/project --> what does this do ?
5. chmod command has an option -R. What is its purpose,
Explain with an example. (create needed files etc. in your homedirectory
to explain this)
Help me
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LEARN ABOUT OPENSOLARIS
replace
replace(1) MySQL database replace(1) NAME
replace - A utility program that is used by msql2mysql, but that has more general applicability as well. replace changes strings in place in files or on the standard input. Uses a finite state machine to match longer strings first. Can be used to swap strings. USAGE
replace [-?svIV] from to from to ... -- [files] or replace [-?svIV] from to from to ... < fromfile > tofile SYNOPSIS
replace [-?|-I] [-s] [-v] DESCRIPTION
replace -?|-I info -s silent -v verbose EXTRA INFO
Special characters in from string: ^ Match start of line. $ Match end of line. Match space-character, start of line or end of line. For a end the next replace starts locking at the end space-character. A alone in a string matches only a space-character. EXAMPLE
this command swaps a and b in the given files: shell> replace a b b a -- file1 file2 ... SEE ALSO
isamchk(1), isamlog(1), mysql(1), mysqlaccess(1), mysqladmin(1), mysqld(1), mysqld_multi(1), mysqld_safe(1), mysqldump(1), mysql_fix_privi- lege_tables(1), mysqlshow(1), mysql_zap(1), perror(1), For more information please refer to the MySQL reference manual, which may already be installed locally and which is also available online at http://www.mysql.com/doc/en/ BUGS
Please refer to http://bugs.mysql.com/ to report bugs. AUTHOR
Ver 1.0, distribution 4.0.24 Michael (Monty) Widenius (monty@mysql.com), MySQL AB (http://www.mysql.com/). This software comes with no warranty. Manual page by L. (Kill-9) Pedersen (kill-9@kill-9.dk), Mercurmedia Data Model Architect / system developer (http://www.mercur- media.com) ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +--------------------+------------------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +--------------------+------------------------------------+ |Availability | SUNWmysqlr, SUNWmysqlu, SUNWmysqlt | +--------------------+------------------------------------+ |Interface Stability | External | +--------------------+------------------------------------+ NOTES
Source for mysql is available on http://opensolaris.org. MySQL 4.0 19 December 2000 replace(1)