📄 linux commands line.htm
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<TR height=17>
<TD height=17><SPAN class=Stile36 style3>cp -a dir1
dir2</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>copy a directory</TD></TR>
<TR height=17>
<TD width=376 height=17><SPAN class=Stile36 style3>ln
-s file1 lnk1 </SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>create a symbolic link to file
or directory</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>ln file1
lnk1</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>create a physical link to file
or directory</TD></TR>
<TR height=17>
<TD width=376 height=17><SPAN
class=Stile36 style3>touch -t 0712250000
fileditest</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>modify timestamp of a file or
directory - (YYMMDDhhmm)</TD></TR>
<TR height=17>
<TD align=middle colSpan=2 height=17><SPAN
class=Stile20 style3>linux commands line v1.0 -
LinuxGuide.it </SPAN></TD></TR>
<TR height=17>
<TD bgColor=#000000 colSpan=2 height=17><SPAN
class=titolo_cmdline style3>File search
</SPAN></TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>find / -name
file1</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>search file and directory into
root filesystem from '/'</TD></TR>
<TR height=17>
<TD width=376 height=17><SPAN class=Stile36 style3>find
/ -user user1</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>search files and directories
belonging to 'user1'</TD></TR>
<TR height=17>
<TD width=376 height=17><SPAN class=Stile36 style3>find
/home/user1 -name *.bin</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>search files with '. bin'
extension within directory '/
home/user1' </TD></TR>
<TR height=17>
<TD width=376 height=17><SPAN class=Stile36 style3>find
/usr/bin -type f -atime +100</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>search bynary files are not used
in the last 100 days</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>find /usr/bin
-type f -mtime -10</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>search files created or changed
within 10 days</TD></TR>
<TR height=17>
<TD width=376 height=17><SPAN class=Stile36 style3>find
/ -name *.rpm -exec chmod 755 {} ;</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>search files with '.rpm'
extension and modify permits</TD></TR>
<TR height=29>
<TD height=29><SPAN class=Stile36 style3>find / -name
*.rpm -xdev</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>search files with '.rpm'
extension ignoring removable partitions as
cdrom, pen-drive, etc.…</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>locate
*.ps</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>find files with the '.ps'
extension - first run 'updatedb'
command</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>whereis
halt</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>show location of a binary file,
source or man</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>which
halt</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>show full path to a binary /
executable</TD></TR>
<TR height=17>
<TD align=middle colSpan=2 height=17><SPAN
class=Stile20 style3>linux commands line v1.0 -
LinuxGuide.it </SPAN></TD></TR>
<TR height=17>
<TD bgColor=#000000 colSpan=2 height=17><SPAN
class=titolo_cmdline style3>Mounting a Filesystem
</SPAN></TD></TR>
<TR height=29>
<TD height=29><SPAN class=Stile36 style3>mount
/dev/hda2 /mnt/hda2</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount disk called hda2 - verify
existence of the directory '/
mnt/hda2'</TD></TR>
<TR height=29>
<TD height=29><SPAN class=Stile36 style3>umount
/dev/hda2</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>unmount disk called hda2 - exit
from mount point '/ mnt/hda2' first</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>fuser -km
/mnt/hda2</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>force umount when the device is
busy</TD></TR>
<TR height=29>
<TD height=29><SPAN class=Stile36 style3>umount -n
/mnt/hda2</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>run umount without writing the
file /etc/mtab - useful when the file is
read-only or the hard disk is full</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount /dev/fd0
/mnt/floppy</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a floppy disk</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount
/dev/cdrom /mnt/cdrom</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a cdrom / dvdrom</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount /dev/hdc
/mnt/cdrecorder</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a cdrw / dvdrom</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount /dev/hdb
/mnt/cdrecorder</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a cdrw / dvdrom</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount -o loop
file.iso /mnt/cdrom</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a file or iso
image</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount -t vfat
/dev/hda5 /mnt/hda5</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a Windows FAT32 file
system</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount
/dev/sda1 /mnt/usbdisk</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a usb pen-drive or
flash-drive</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>mount -t smbfs
-o username=user,password=pass //winclient/share
/mnt/share</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>mount a windows network
share</TD></TR>
<TR height=17>
<TD align=middle colSpan=2 height=17><SPAN
class=Stile20 style3>linux commands line v1.0 -
LinuxGuide.it </SPAN></TD></TR>
<TR height=17>
<TD bgColor=#000000 colSpan=2 height=17><SPAN
class=titolo_cmdline style3>Disk Space
</SPAN></TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>df
-h</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>show list of partitions
mounted</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>ls -lSr
|more</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>show size of the files and
directories ordered by size</TD></TR>
<TR height=17>
<TD height=17><SPAN class=Stile36 style3>du -sh
dir1</SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>estimate space used by directory
'dir1'</TD></TR>
<TR height=17>
<TD width=376 height=17><SPAN class=Stile36 style3>du
-sh * | sort -rn </SPAN></TD>
<TD width=387
bgColor=#e0e0e0 class=descrizione style3>show size of the files and
directories sorted by size</TD></TR>
<TR height=29>
<TD height=29><SPAN class=Stile36 style3>rpm -q -a --qf
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