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Solaris-Questions-and-answers

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1. List the files in current directory sorted by size ? - ls -l | grep ^- | sort -nr

2. List the hidden files in current directory ? - ls -a1 | grep "^\."

3. Delete blank lines in a file ? - cat sample.txt | grep -v ‘^$’ > new_sample.txt

4. Search for a sample string in particular files ? - grep
.Debug. *.confHere grep uses the string .Debug. to search in all files with extension..conf. under current directory.

5. Display
the last newly appending lines of a file during appendingdata to the same file by some processes ? - tail .f Debug.logHere tail shows the newly appended data into Debug.log by some processes/user.

6. Display the Disk Usage of file sizes under each directory in currentDirectory ?
- du -k * | sort .nr (or) du .k . | sort -nr

7. Change to a directory, which is having very long name ? - cd CDMA_3X_GEN*Here original
directory name is . .CDMA_3X_GENERATION_DATA..

8. Display the all files recursively with path under current directory ? - find . -depth -print

9. Set the Display automatically for the current new user ? - export DISPLAY=`eval ‘who am i | cut -d"(" -f2 | cut -d")" -f1′`Here in above command, see single quote, double quote, grave ascent is used. Observe carefully.

10. Display the processes, which are running under yourusername ? - ps .aef | grep MaheshvjHere, Maheshvj is the username.

11. List some Hot Keys for bash shell ? -
Ctrl+l . Clears the Screen. Ctrl+r . Does a search in previously given commands in shell. Ctrl+u - Clears the typing before the hotkey. Ctrl+a . Places cursor at the beginning of the command at shell. Ctrl+e . Places cursor at the end of the command at shell. Ctrl+d . Kills the shell. Ctrl+z . Places the currently running process into background.

12. Display the files in the directory by file size ?
- ls .ltr | sort .nr .k 5

13
. How to save man pages to a file ? - man <command> | col .b > <output-file>Example : man top | col .b > top_help.txt

14. How to know the date & time for . when script is executed ? - Add the following script line in shell script
.eval echo "Script is executed at `date`" >> timeinfo.infHere, .timeinfo.inf. contains date & time details ie., when script is executed and history related to execution.

15. How do you find out drive statistics ? - iostat -E

16. Display disk usage
in Kilobytes ? - du -k

17. Display top ten largest files/directories ? - du -sk * | sort -nr | head

18. How much space is used for users in kilobytes ?
- quot -af

19. How to create null file ?
- cat /dev/null > filename1

20. Access common commands quicker ?
- ps -ef | grep -i $@

21. Display the page size of memory ?
- pagesize -a

22. Display Ethernet Address arp table ? - arp -a

23. Display
the no.of active established connections to localhost ? - netstat -a | grep EST

24. Display the state of interfaces used for TCP/IP traffice ? - netstat
-i

25. Display the parent/child tree of a process ? - ptree <pid> Example: ptree 1267

26
. Show the working directory of a process ? - pwdx <pid> Example: pwdx 1267

27. Display the processes current open files ? - pfiles <pid> Example: pfiles 1267

28. Display the inter-process communication facility status ? - ipcs

29. Display the top most process utilizing most CPU ? - top .b 1

30. Alternative for top command ? - prstat -a
to:
1. List the files in current directory sorted by size ? - ls -l | grep ^- | sort -nr

2. List the hidden files in current directory ? - ls -a1 | grep "^\."

3. Delete blank lines in a file ? - cat sample.txt | grep -v ‘^$’ > new_sample.txt

4. Search for a
sample string in particular files ? - grep .Debug. *.confHere grep uses the string .Debug. to search in all files with extension..conf. under current directory.

5. Display the last newly appending lines of a file during appendingdata to
the same file by some processes ? - tail .f Debug.logHere tail shows the newly appended data into Debug.log by some processes/user.

6. Display
the Disk Usage of file sizes under each directory in currentDirectory ? - du -k * | sort .nr (or) du .k . | sort -nr

7. Change to a directory, which is having very long name ?
- cd CDMA_3X_GEN*Here original directory name is . .CDMA_3X_GENERATION_DATA..

8. Display the all files recursively with path under current
directory ? - find . -depth -print

9. Set
the Display automatically for the current new user ? - export DISPLAY=`eval ‘who am i | cut -d"(" -f2 | cut -d")" -f1&#8242;`Here in above command, see single quote, double quote, grave ascent is used. Observe carefully.

10. Display the processes, which are running under yourusername ? - ps .aef | grep MaheshvjHere, Maheshvj is the username
.

11. List some Hot Keys for bash shell ? - Ctrl+l . Clears the Screen. Ctrl+r . Does a search in previously given commands in shell. Ctrl+u - Clears the typing before the hotkey. Ctrl+a . Places cursor at the beginning of the command at shell. Ctrl+e . Places cursor at the end of the command at shell. Ctrl+d . Kills the shell. Ctrl+z . Places the currently running process into background.

12. Display
the files in the directory by file size ? - ls .ltr | sort .nr .k 5

13. How to save man pages to a file ? - man <command> | col .b > <output
-file>Example : man top | col .b > top_help.txt

14.
How to know the date & time for . when script is executed ? - Add the following script line in shell script.eval echo "Script is executed at `date`" >> timeinfo.infHere, .timeinfo.inf. contains date & time details ie., when script is executed and history related to execution.

15. How do you find out drive statistics ? - iostat -E

16. Display disk usage in Kilobytes ? - du -k

17. Display top ten largest files/directories ? - du -sk * | sort -nr | head

18. How much space is used for users
in kilobytes ? - quot -af

19. How to create null file ? - cat /dev/null > filename1

20. Access common commands quicker ? - ps -ef | grep -i $@

21. Display the page size of memory ?
- pagesize -a

22. Display Ethernet Address arp table ? - arp
-a

23. Display the no.of active established connections to localhost ? - netstat
-a | grep EST

24. Display the state of interfaces used for TCP/IP traffice ? - netstat
-i

25. Display the parent/child tree of a process ? - ptree <pid> Example: ptree 1267

26. Show
the working directory of a process ? - pwdx <pid> Example: pwdx 1267

27. Display the processes current open files ? - pfiles <pid> Example: pfiles 1267

28. Display the inter
-process communication facility status ? - ipcs

29. Display the top most process utilizing most CPU ? - top
.b 1

30.
Alternative for top command ? - prstat -a
Added lines 1-62:
%blue%Solaris questions (Credit Ref: http://www.devbistro.com)

1. List the files in current directory sorted by size ? - ls -l | grep ^- | sort -nr

2. List the hidden files in current directory ? - ls -a1 | grep "^\."

3. Delete blank lines in a file ? - cat sample.txt | grep -v ‘^$’ > new_sample.txt

4. Search for a sample string in particular files ? - grep .Debug. *.confHere grep uses the string .Debug. to search in all files with extension..conf. under current directory.

5. Display the last newly appending lines of a file during appendingdata to the same file by some processes ? - tail .f Debug.logHere tail shows the newly appended data into Debug.log by some processes/user.

6. Display the Disk Usage of file sizes under each directory in currentDirectory ? - du -k * | sort .nr (or) du .k . | sort -nr

7. Change to a directory, which is having very long name ? - cd CDMA_3X_GEN*Here original directory name is . .CDMA_3X_GENERATION_DATA..

8. Display the all files recursively with path under current directory ? - find . -depth -print

9. Set the Display automatically for the current new user ? - export DISPLAY=`eval ‘who am i | cut -d"(" -f2 | cut -d")" -f1&#8242;`Here in above command, see single quote, double quote, grave ascent is used. Observe carefully.

10. Display the processes, which are running under yourusername ? - ps .aef | grep MaheshvjHere, Maheshvj is the username.

11. List some Hot Keys for bash shell ? - Ctrl+l . Clears the Screen. Ctrl+r . Does a search in previously given commands in shell. Ctrl+u - Clears the typing before the hotkey. Ctrl+a . Places cursor at the beginning of the command at shell. Ctrl+e . Places cursor at the end of the command at shell. Ctrl+d . Kills the shell. Ctrl+z . Places the currently running process into background.

12. Display the files in the directory by file size ? - ls .ltr | sort .nr .k 5

13. How to save man pages to a file ? - man <command> | col .b > <output-file>Example : man top | col .b > top_help.txt

14. How to know the date & time for . when script is executed ? - Add the following script line in shell script.eval echo "Script is executed at `date`" >> timeinfo.infHere, .timeinfo.inf. contains date & time details ie., when script is executed and history related to execution.

15. How do you find out drive statistics ? - iostat -E

16. Display disk usage in Kilobytes ? - du -k

17. Display top ten largest files/directories ? - du -sk * | sort -nr | head

18. How much space is used for users in kilobytes ? - quot -af

19. How to create null file ? - cat /dev/null > filename1

20. Access common commands quicker ? - ps -ef | grep -i $@

21. Display the page size of memory ? - pagesize -a

22. Display Ethernet Address arp table ? - arp -a

23. Display the no.of active established connections to localhost ? - netstat -a | grep EST

24. Display the state of interfaces used for TCP/IP traffice ? - netstat -i

25. Display the parent/child tree of a process ? - ptree <pid> Example: ptree 1267

26. Show the working directory of a process ? - pwdx <pid> Example: pwdx 1267

27. Display the processes current open files ? - pfiles <pid> Example: pfiles 1267

28. Display the inter-process communication facility status ? - ipcs

29. Display the top most process utilizing most CPU ? - top .b 1

30. Alternative for top command ? - prstat -a
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Page last modified on August 11, 2007, at 02:02 AM