UNIX
LAB Ex1a. Basic Utilities
Commands
to be covered are who,date,cal,tty,bc,clear etc
1.
Print the name of the
Present Working Directory?
2.
Print today’s date and
time?
3.
Print today’s date and
time in different formats?
4.
Print the information
about the users?
5.
Create empty files
using “touch” utility?
6.
List all the files in
current directory?
7. Perform calculations using cal
8. Clear the Contents of Screen
9. Print the calendar for the year 205
10. Print the type of Terminal
Ex1b: File Related Utilities
Commands to be covered are
Cat,
cp,mv,rm,cmp,diff,comm.,touch,wc,uniq,head,tail etc
1.Create a file using cat
2.Add Some Contents to existing file
3.Display the contents of the file
4.Copy one file contents to another file
5.Copy one file from one directory to
another directory
6.move file from one directory to
another directory
7.Compare two files
8.Print the commonalities for given
files
9.Differentiate two files
10.Create empty files using touch
11. Count the number of characters,
number of words, and number of lines in file
12.Print first 3 lines in a given file
13.Print last 3 lines in a given file
14. Print non-repeated lines from the
given file?
15.Print only the repeated lines from
given file?
16.Print number of occurrences of each
line in given file
Exercise 2a Security and File
Permissions
Commands to be covered are ls
–l,chmod,chgrp,chown,ulimit,umask etc
1.Print long listing of files.
2.chage permissions for given file.
3.Change Owner name for given file.
4.Change group name for given file.
2b:Disk Utilities
Commands to be covered are
df,du,mount,unmount,ulimit,finger
- Mount a file system.
2.
Un-mount the file system which you have
mounted.
3.
Display the boundaries for the different
types of variables and memory and sizes.
4.
Display the disk usage in terms of block
sizes and trace the most size allocated one.
5.
Set the limit for file
2C
Process Utilities: Commands to be covered are ps,fg,bg,kill
1.Show the status of running processes
2.Print the background running processes
3.Print the foreground running processes
4.Kill the running process.
Ex 3 Text Processing Utilities:
Commands to be covered are
grep,egrep,fgrep,cut,paste,tee etc
1.Display first four characters in a
file
2.Display 5-10 character in a file
3.Display first and third field in a
file
4.Display only second field in a file
5.join two files
6. Redirect the output into another file
7. Join Two files horizontally
8.Join Two files vertically
9.Search and display all instances of
pattern in file
10. Count the number of instances of
pattern in file
11. Search in multiple files
12. Display the file name when searching
in multiple files
13. Suppress display of file name when
searching in multiple files
14. Case-Sensitive search
15. Case-Insensitive search
16. Stop search after certain
occurrences
17. Display line number for every match
18. Search for whole word
19.Display N lines after match
20.Display N lines before match
21.Searching in all files recursively
using grep –r
22.Display the lines which does not
matches all the given pattern.
23.Display only the file names which
matches the given pattern using grep –l
24.Show only the matched string
25.Show the position of match in the
line
