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6,591
Posted By password636
Why updating atime doesn't update ctime?
Hi,

ctime is the inode change time. If reading a file, its atime will be updated, which should cause inode member i_atime changed, which is an inode change. So ctime should also be updated. But if...
1,386
Posted By password636
tmpwatchc updates directory ctime?
Hi,

I noticed that some directories under /tmp were updated ctime daily. As you can see below, I thought that was because of tmpwatch.

[root@localhost ~]# cat /etc/crontab
SHELL=/bin/bash...
2,806
Posted By password636
bash: one advantage of the ability to look for either synonym?
Hi
I'm reading <learning the bash shell>. And in the section - 3.1. The .bash_profile, .bash_logout, and .bashrc Files

bash allows two synonyms for .bash_profile: .bash_login, derived from the C...
9,872
Posted By password636
init adopts zombie process?
Hi
I tried to create a zombie process with the following program:

int main(void)
{
pid_t pid;
int status;

if ((pid = fork()) < 0)
perror("fork...
6,731
Posted By password636
I don't have a backup... so I just re-install the...
I don't have a backup... so I just re-install the OS.
6,731
Posted By password636
chown -R under root directory
Hi
I executed command "chown -R xxx:xxx /" with user root... and it was too late when I found the mistake. Ownership of some files under the root directory had already become xxx:xxx. Is there a...
21,877
Posted By password636
So the two statements: ITSME=itsyou & echo $ITSME...
So the two statements: ITSME=itsyou & echo $ITSME are both executed on remote host. But in the case of double quotes, variable will be evaluated first so the argument passed to ssh is actually...
21,877
Posted By password636
Double quotes or single quotes when using ssh?
I'm not very familiar with the ssh command. When I tried to set a variable and then echo its value on a remote machine via ssh, I found a problem. For example,

$ ITSME=itsme
$ ssh...
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