Unix doubts


 
Thread Tools Search this Thread
Top Forums UNIX for Dummies Questions & Answers Unix doubts
# 1  
Old 03-05-2008
Unix doubts

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. “chmod u+t mydir” command will:
a) Add stickybit to file mydir
b) Add sticky bit to dir mydir
c) Add universal bit to file mydir
d) Add universal bit to dir mydir

3. Which is the control key to initiate SIGINT signal to current process
a) ctrl-c
b) ctrl-d
c) ctrl-s
d) ctrl-k

4. Which is invalid:
a) while [0]
b) while [$? -eq 0)
c) while [$count -le 0.1]
d) none of the above

5. One file is created with fields' city, state and country. What is the command to sort it with respect to state?

6. What is the difference between compress and pack?

Regards
Aswathy
# 2  
Old 03-05-2008
read the rules before posting.

(6) Do not post classroom or homework problems.
This User Gave Thanks to Yogesh Sawant For This Post:
# 3  
Old 03-07-2008
or at least disguise them
 
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Solaris

Unix scripting doubts

i hav a file like this -rwxr-xr-x 1 root controlm 4141 Nov 13 2006 /opt/scripts/prod/fvaauditlos.ksh -rwxr-xr-x 1 root controlm 3958 Nov 13 2006 /opt/scripts/prod/fvaexpchbk1.ksh -rwxr-xr-x 1 root controlm 6471 Nov 13 2006 /opt/scripts/prod/fvaexpchbk2.ksh... (24 Replies)
Discussion started by: p_satyambabu
24 Replies

2. Shell Programming and Scripting

Few Important doubts and questions..(Unix/Shell)

Hi All, I have a few questions which I am unable to solve/answer. Please help me with them:- Command in Unix to determine if a Host is connected to the internet ? If a parenet process is killed what happens to the child process? How do I print the first 10 lines of a file in the... (1 Reply)
Discussion started by: shubhranshu
1 Replies

3. UNIX for Dummies Questions & Answers

Unix doubts

Hi All, 1. how and who calls .profile when you login 2. what is PPID and what means by PPID = 0 Thanks in Advance (2 Replies)
Discussion started by: ravi.sadani19
2 Replies

4. UNIX for Dummies Questions & Answers

Basic doubts related to Unix

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)
Discussion started by: ravi.sadani19
2 Replies

5. Shell Programming and Scripting

doubts in crontab

Hi All, I am tring to set a shedule for cron to execute my script in every 15 min, n want a mail alert on my mail id if cron fails to get data as input for my script, how can i set that? Thanks in advance Subin (1 Reply)
Discussion started by: subin_bala
1 Replies

6. UNIX for Dummies Questions & Answers

unix doubts

Write unix command to list or view auto links (0 Replies)
Discussion started by: ashishshah.engg
0 Replies

7. Forum Support Area for Unregistered Users & Account Problems

How to post a new thread (Regarding Unix related doubts) in Unix Forums

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)
Discussion started by: indusri
1 Replies

8. Programming

Doubts About C Compiler In Unix/linux

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)
Discussion started by: vrs
1 Replies

9. Solaris

Unix Administration doubts ********

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)
Discussion started by: dreams5617
1 Replies

10. UNIX for Advanced & Expert Users

unix & C doubts

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)
Discussion started by: krishna
1 Replies
Login or Register to Ask a Question