What is reboot?
5 reboot examples
Syntax and Options
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What is reboot?

The ‘reboot’ command in Linux is used to reboot the system. This command invokes the reboot() system call or the shutdown() system call depending on how it is used.
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What is objcopy?
5 objcopy examples
Syntax and Options
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What is objcopy?

This command is used to copy the object file from one kind of platform (like x86) to another kind of platform(ARM). This utility is used by experts who are trying to port the software from platform to another but do not have the source code to compile on the new platform. Please note that this utility do not change the endianness.
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What is ldd?
5 ldd examples
Syntax and Options
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What is ldd?

ldd is a Linux utility that is used in case a user wants to know the shared library dependencies of an executable or even that of a shared library.
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What is fuser?
5 fuser examples
Syntax and Options
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What is fuser?

The fuser command in linux is a useful tool through which we can identify the process(es) which are using a particular file. The file in question could be a normal file, a directory, an executable etc.
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What is cmp?
5 cmp examples
Syntax and Options
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What is cmp?

cmp command is used to compare two files byte by byte.
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What is modprobe?
5 modprobe examples
Syntax and Options
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What is modprobe?

The modprobe utility is used to add and remove kernel modules to/from linux kernel. Linux kernel modules have .ko as module name extension. ‘modprobe’ is intelligent enough to load the dependency of a kernel module(if any) first and then loads the actual module.
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What is make?
5 make examples
Syntax and Options
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What is make?

While compiling large programs, if some change is done in any of the source/header files then compiling the whole source code again does not make any sense. The ‘make’ utility determines which pieces of the source code need to be recompiled and it issues commands to recompile only those pieces.

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What is ldconfig?
3 ldconfig examples
Syntax and Options
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What is ldconfig?

ldconfig is used to create, udpate and remove symbolic links for the current shared libraries based on the lib directories present in the /etc/ld.so.conf
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What is hostname?
3 hostname examples
Syntax and Options
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What is hostname?

You can view your system name (hostname) or assign a new name to your system using hostname command.
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What is egrep?
3 egrep examples
Syntax and Options
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What is egrep?

egrep is same as ‘grep -E’ or ‘grep –extended-regex’, which uses extended regular expression.
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