Write down the syntax of "for " loop
How do you find out What is your shell?
Hi, i want to zip the files that generates automatically every few minutes (files generated are in .arc extension)....any body write a script for this... thanks in advance
What happens on a system call?
how to search for vowels a,e,i,o,u appearing in the same sequence in a file
How will you print the login names of all users on a system?
What is shell prompt?
What is difference between shell and bash scripting?
Is shell a part of kernel?
What does egrep mean?
on “sed” command EmpData(Sample Database) 1122|j.b. saxena |g.m. |account |12/12/52|6000 2233|n.k. gupta |d.g.m |sales |31/12/40|9000 4545|anil agarwal |director |account |06/07/47|7500 5656|lalit choudhury |executive|marketing|07/09/50|5000 1265|chanchal singhvi|g.m. |admin |12/09/63|6000 0110|shyam saksena |chairman |marketing|12/12/43|8000 5566|jai sharma |director |account |23/12/89|7000 7733|jayant |d.g.m |sales |29/02/70|6000 1. From the above database substitute the delimiter of first 3 lines with “ : “ 2. From the above database substitute the delimiter with “ : ” 3. Insert the string “ XYZ Employees” in the first line. 4. Store the lines pertaining to the directors, d.g.m and g.m into three separate files. 5. Using address store first 4 lines into a file Empupdate. 6. Find the pattern “account” in the database and replaces that with “accounts”. 7. Select those lines which do not have a pattern “g.m”. 8. Insert a blank line after every line in the database.
What is the first line of a shell script called?
What is the use of "$?" Sign in shell script?