What is the output if you execute ./temp.sh 1 2 3 4 5 6 7 8 9 20
Temp.sh
#!/bin/bash
echo $10
10
If we have profile file as given below what is the contents of /tmp/log.txt in these two cases :
cat profile 2>&1 1>/tmp/log.txt
and
cat profile 1>/tmp/log.txt 2>&1
profile
PATH=/usr/bin:/etc:/usr/sbin:/usr/ucb:/usr/bin/X11:/sbin
PATH=$PATH:/opt/freeware/bin:/system/products/openssh/bin:/system/products/sudo/bin:$HOME/bin:.
export PATH
Soft link vs. Hard link
If /tmp/details.txt have read and write permission to
user1.
user1 rights one application by which other user’s execute it and
put their name and address in details.txt file.
How
you do it ?
If
i execute command "ls" then system display's an error command not
found.
But when i do "find -name ls" then it is in /usr/bin/ls.
Why
is then this error comes and what is the solution for it ?
There is file in /tmp directory with name test.txt of user
USER1 and have the permission 777.
When user USER2 tries to delete that file , he won't able to delete it.
Why ?
What is the output of :
A=321; (A=123); echo $A
If we do not have profile file then what is the contents of /tmp/log.txt in these two cases :
cat
profile 2>&1 1>/tmp/log.txt
cat profile 1>/tmp/log.txt 2>&1
If I execute temp.sh it is giving an error
that not able to execute /var/temp1.sh may be permission
denied.
But if we see the permissions on both files,
777 is there.
Steps to execute it
cd /usr/
./temp.sh
/usr/temp.sh
#!/bin/bash
./temp1.sh
echo Hello
/var/temp1.sh
#!/bin/bash
exit 1
Write a one line script using awk to reverse
every string of given line.
awk '{for (i=1;i<=NF;i++){ len=length($i); for(j=len;j>0;j--) { temp=substr($i,j,1); printf("%c",temp)} printf("
")} printf("\n")}'
