Example Commands for Ubuntu/Linux
Step by Step Instructions

w
w displays information about the users currently on the...
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ar
The GNU ar program creates, modifies, and extracts from...
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as
GNU as is really a family of assemblers. If you use (or...
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at
at and batch read commands from standard input or a spe...
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ca
The ca command is a minimal CA application. It can be u...
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cc
When you invoke GCC, it normally does preprocessing, co...
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dd
Copy a file, converting and formatting according to the...
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df
This manual page documents the GNU version of df. df di...
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du
Summarize disk usage of the set of FILEs, recursively f...
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ec
The ec command processes EC keys. They can be converted...
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ed
GNU Ed - The GNU line editor..
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ex
Vim is a text editor that is upwards compatible to Vi. ...
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hd
The hexdump utility is a filter which displays the spec...
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id
Print user and group information for the specified USER...
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ld
ld combines a number of object and archive files, reloc...
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ln
In the 1st form, create a link to TARGET with the name ...
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ls
List information about the FILEs (the current directory...
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mv
Rename SOURCE to DEST, or move SOURCE(s) to DIRECTORY. ...
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nc
The nc (or netcat) utility is used for just about anyth...
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nl
Write each FILE to standard output, with line numbers a...
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nm
GNU nm lists the symbols from object files objfile...
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od
Write an unambiguous representation, octal bytes by def...
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pr
Paginate or columnate FILE(s) for printing. With no FIL...
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ps
ps displays information about a selection of the active...
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ri
ri is a command-line front end for the Ruby API referen...
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rm
This manual page documents the GNU version of rm. rm re...
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sh
dash is the standard command interpreter for the system...
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ss
ss is used to dump socket statistics. It allows showing...
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su
The su command is used to become another user during a ...
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tc
Tc is used to configure Traffic Control in the Linux ke...
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tr
Translate, squeeze, and/or delete characters from stand...
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ts
The ts command is a basic Time Stamping Authority (TSA)...
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vi
Vim is a text editor that is upwards compatible to Vi. ...
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wc
Print newline, word, and byte counts for each FILE, and...
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xz
xz is a general-purpose data compression tool with comm...
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arp
Arp manipulates or displays the kernel's IPv4 network n...
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atd
atd runs jobs queued by at(1)..
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atq
at and batch read commands from standard input or a spe...
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awk
Gawk is the GNU Project's implementation of the AWK pro...
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bpf
The bpf() system call performs a range of operations re...
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cal
The cal utility displays a simple calendar in tradition...
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cat
Concatenate FILE(s) to standard output. With no FILE, o...
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cmp
Compare two files byte by byte. The optional SKIP1 and ...
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col
The col utility filters out reverse (and half reverse) ...
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cpp
The C preprocessor, often known as cpp, is a macro proc...
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crl
The crl command processes CRL files in DER or PEM forma...
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cut
Print selected parts of lines from each FILE to standar...
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dig
dig is a flexible tool for interrogating DNS name serve...
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dir
List information about the FILEs (the current directory...
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dsa
The dsa command processes DSA keys. They can be convert...
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