Hi,
I have a few doubt here :
1) I want to run a 3 different 'C' programs in same session simulteneously (parelelly). if I make a shell, it is running one after another, I mean it shout run in 3 processors.
2) In 'C' program, how can I assing a value of the unix commant
cat a.txt|wc... (1 Reply)
Hi,
Can anyone tell me the correct answers for these:
1. You have 4 instances running on the same UNIX box. How can you determine which shared memory and semaphores are associated with which instance?
2. How do you increase the OS limitation for open files (LINUX and/or Solaris)?
Thanks:p (1 Reply)
As all of you know whenever a program "say a.c" is complied in linux using the gcc or the cc compiler..it shows the list of errors ( if the program contains any).. i want to modify the compier script so as to list the no of errors only and not the description about the error..like" parse error " ... (1 Reply)
Hello All,
I am very new to UNIX. Please help me to find answers of below questions.
1.A script is saved with name ls. When we execute the script what it will execute?
a) Will execute ls command
b) Will execute the script
c) Will execute script or command depends on the path
... (2 Replies)
Discussion started by: aswathy
2 Replies
5. Forum Support Area for Unregistered Users & Account Problems
How to post a new thread (Regarding Unix related doubts) in Unix Forums.
I registered my id but I am unable to post my Questions to Forum.
Thanks & Regards,
indusri (1 Reply)
Hi all,
I have few question related to Unix environment and commands :
1. what is .chrc file contain and if it is not present then what happens.
2. what is .login file contain,in which dir it is present and what all other uses are their for this file
3. how and who calls .profile when you... (2 Replies)
Hello All,
I am working in a reputed software firm,currently working on testing platform (manual and automation).But I am very much intersted in unix and shell scripting,I feel that I am good at beginner level of shell scripting,still I want to practise shell scripting to become excel in it.I... (1 Reply)
1) I have to create 3 scripts which create different output files. Script one creates datafiles, script2 creates control files and script3 creates flg files. The business wants the same timestamp to be attached to all the files created by these scripts.
Script1- Create data files - Data files... (2 Replies)
Discussion started by: Maya_Pillai
2 Replies
LEARN ABOUT LINUX
let
let(1) User Commands let(1)NAME
let - shell built-in function to evaluate one or more arithmetic expressions
SYNOPSIS
ksh
let arg...
DESCRIPTION
ksh
Each arg is a separate "arithmetic expression" to be evaluated.
EXIT STATUS
The following exit values are returned:
0 The value of the last expression is non-zero.
1 The value of the last expression is zero.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO ksh(1), set(1), typeset(1), attributes(5)SunOS 5.10 15 Apr 1994 let(1)