5+ “pstree” Command Usage Examples in Linux

This tutorial explains Linux “pstree” command, options and its usage with examples. pstree – display a tree of processes Description : pstree shows running processes as a tree. The tree is rooted at either pid or init if pid is omitted. If a user name is specified, all process trees rooted at processes owned by … Read more

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10+ “objdump” Command Usage Examples in Linux

This tutorial explains Linux “objdump” command, options and its usage with examples. objdump – display information from object files. Description : objdump displays information about one or more object files. The options control what particular information to display. This information is mostly useful to programmers who are working on the compilation tools, as opposed to … Read more

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5+ “cut” Command Usage Examples in Linux

This tutorial explains Linux “cut” command, options and its usage with examples. cut – remove sections from each line of files Description : Print selected parts of lines from each FILE to standard output. Usage : cut [OPTION]… [FILE]… Options : -b, –bytes=LIST output only these bytes -c, –characters=LIST output only these characters -d, –delimiter=DELIM … Read more

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15+ “ss” Command Usage Examples in Linux

This tutorial explains Linux “ss” command, options and its usage with examples. ss – socket statistics Description : ss is used to dump socket statistics. It allows showing information similar to netstat. It can display more TCP and state informations than other tools. Usage : ss [options] [ FILTER ] Options : When no option … Read more

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10 “objcopy” Command Usage Examples in Linux

This tutorial explains Linux “objcopy” command, options and its usage with examples. objcopy – copy and translate object files Description : objcopy uses the GNU BFD Library to read and write the object files. It can write the destination object file in a format different from that of the source object file. The exact behavior … Read more

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5 “pmap” Command Usage Examples in Linux

This tutorial explains Linux “pmap” command, options and its usage with examples. pmap – report memory map of a process Description : The pmap command reports the memory map of a process or processes. Usage : pmap [ -x | -d ] [ -q ] pids… pmap -V Options : -x Show the extended format. … Read more

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5 “size” Command Usage Examples in Linux

This tutorial explains Linux “size” command, options and its usage with examples. size – list section sizes and total size. Description : The GNU size utility lists the section sizes—and the total size—for each of the object or archive files objfile in its argument list. By default, one line of output is generated for each … Read more

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5 “apropos” Command Usage Examples in Linux

This tutorial explains Linux “apropos” command, options and its usage with examples. apropos – search the whatis database for strings Description : apropos searches a set of database files containing short descriptions of system commands for keywords and displays the result on the standard output. Usage : apropos [-dalhvV] [-e|-w|-r] [-s list] [-m system[,…]] keyword … Read more

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5+ “strings” Command Usage Examples in Linux

This tutorial explains Linux “strings” command, options and its usage with examples. strings – print the strings of printable characters in files. Description : For each file given, GNU strings prints the printable character sequences that are at least 4 characters long (or the number given with the options below) and are followed by an … Read more

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“look” Command Usage Examples in Linux

This tutorial explains Linux “look” command, options and its usage with examples. look – display lines beginning with a given string Description : The look utility displays any lines in file which contain string as a prefix. As look performs a binary search, the lines in file must be sorted (where sort got the same … Read more

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Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn | Youtube | Instagram | Facebook | Twitter