Hi, I am i new Unix linux user. I've installed the linux 9 and i uninstall it. the first time i install the linux, the GRUB show the graphical interface. But after i reinstall it again, the GRUB change to command line. I can't boot my comp now. What should I do? And i don't know how to deal with... (1 Reply)
Hi, I am i new Unix linux user. I've installed the linux 9 and i uninstall it. the first time i install the linux, the GRUB show the graphical interface. But after i reinstall it again, the GRUB change to command line. I can't boot my comp now. What should I do? And i don't know how to deal with... (4 Replies)
How do I change IP addresses in command mode? i need to assign custom (non DHCP) addresses from the command line. Actually I also need to know how to change the subnet mask, the gateway and the primary, secondary, ... dns servers. (6 Replies)
Hi,
When working in vi, the CTRL+j command for merging lines is very convenient. Is there an equivalent for splitting them (inserting a line break)? I often find myself pressing "i" + "return" + "esc", which I find a bit lengthy.
Thanks in advance! (3 Replies)
Hi,
I'm trying to execute my program from $prompt by passing many parameters which is more than 300 charecters in line but unix not accepting those many charecters, could some one help me how to increase the size?
thanks (7 Replies)
I am looking to change a data file into a javascript string and this is the code that I am using:
sed -i '' -e 's/^/str += "/' -e 's/$/";/' file.xml
The first part
-e 's/^/str += "/'
works as intended, but the second part
-e 's/$/";/'
adds an additional newline to my file, so that instead of... (3 Replies)
I want to change the extensions of a folder full of files (some of the files are located in subfolders as well) to another extension, but instead of replacing the files I want the new files to be copied into a newly created folder.
Here is the folder structure:
/Downloads/3eb... (3 Replies)
Hi All,
Can please let me know what is the difference between the single line mode and multi line mode in regular expresions?
Thanks,
Chidhambaram B (3 Replies)
Hello,
I am using RHEL 6.1 on VMware
I am searching for a way to change background color (not line by line color wich one can using tput command)
basically changing the color of the whole screen to white instead of the default black and changing font color to black and alos would like to... (2 Replies)
Hi All,
Please let me know that how to start Fedora 11 in command line mode and skip damaged programs ??
Scenario being:
I have Fedora 11 ( pretty ole... eh !! ). If I try to start the PC , then after some steps of startup... it just hangs and does not boots. I tried entering the mode... (4 Replies)
Discussion started by: dipanchandra
4 Replies
LEARN ABOUT PHP
chmod
CHMOD(3) 1 CHMOD(3)chmod - Changes file modeSYNOPSIS
bool chmod (string $filename, int $mode)
DESCRIPTION
Attempts to change the mode of the specified file to that given in $mode.
PARAMETERS
o $filename
- Path to the file.
o $mode
- Note that $mode is not automatically assumed to be an octal value, so to ensure the expected operation, you need to prefix $mode
with a zero (0). Strings such as "g+w" will not work properly.
<?php
chmod("/somedir/somefile", 755); // decimal; probably incorrect
chmod("/somedir/somefile", "u+rwx,go+rx"); // string; incorrect
chmod("/somedir/somefile", 0755); // octal; correct value of mode
?>
man 1 chmod' and ' man 2 chmod'.
<?php
// Read and write for owner, nothing for everybody else
chmod("/somedir/somefile", 0600);
// Read and write for owner, read for everybody else
chmod("/somedir/somefile", 0644);
// Everything for owner, read and execute for others
chmod("/somedir/somefile", 0755);
// Everything for owner, read and execute for owner's group
chmod("/somedir/somefile", 0750);
?>
RETURN VALUES
Returns TRUE on success or FALSE on failure.
NOTES
Note
The current user is the user under which PHP runs. It is probably not the same user you use for normal shell or FTP access. The
mode can be changed only by user who owns the file on most systems.
Note
This function will not work on remote files as the file to be examined must be accessible via the server's filesystem.
Note
When safe mode is enabled, PHP checks whether the files or directories you are about to operate on have the same UID (owner) as the
script that is being executed. In addition, you cannot set the SUID, SGID and sticky bits.
SEE ALSO chown(3), chgrp(3), fileperms(3), stat(3).
PHP Documentation Group CHMOD(3)