Section 1 of the manual describes user commands and tools, for example, file manipulation tools, shells, compilers, web browsers, file and image viewers and editors, and so on.

Page 2

pr
convert text files for printing
printenv
print all or part of environment
printf
format and print data
ptx
produce a permuted index of file contents
pwd
print name of current/working directory
readlink
print resolved symbolic links or canonical file names
realpath
print the resolved path
rec2csv
rec to csv converter
recdel
remove records from a recfile
recfix
check a recfile for errors
recfmt
apply a template to records
recinf
print information about a recfile
recins
insert records in a recfile
recsel
print records from a recfile
recset
manipulate fields in a recfile
rm
remove files or directories
rmdir
remove empty directories
runcon
run command with specified security context
sdiff
side-by-side merge of file differences
seq
print a sequence of numbers
sha1sum
compute and check SHA1 message digest
sha224sum
compute and check SHA224 message digest
sha256sum
compute and check SHA256 message digest
sha384sum
compute and check SHA384 message digest
sha512sum
compute and check SHA512 message digest
shred
overwrite a file to hide its contents, and optionally delete it
shuf
generate random permutations
sleep
delay for a specified amount of time
sort
sort lines of text files
split
split a file into pieces
stat
hiển thị trạng thái của tập tin hay hệ thống tập tin
stdbuf
chạy câu LỆNH, với thao tác sửa đổi bộ đệm cho các luồng dữ liệu tiêu chuẩn của nó
stty
change and print terminal line settings
sum
checksum and count the blocks in a file
sync
các ghi được đệm đồng bộ với kho chứa cố định
tac
concatenate and print files in reverse
tail
output the last part of files
tee
read from standard input and write to standard output and files
test
check file types and compare values
touch
change file timestamps
tr
translate or delete characters
true
do nothing, successfully
truncate
shrink or extend the size of a file to the specified size
tsort
perform topological sort
tty
in ra tên tập tin của thiết bị cuối đã kết nối với đầu vào tiêu chuẩn
uname
print system information
unexpand
convert spaces to tabs
uniq
report or omit repeated lines
unlink
call the unlink function to remove the specified file
users
print the user names of users currently logged in to the current host
vdir
list directory contents
wc
print newline, word, and byte counts for each file
wdiff
display word differences between text files
web2disk
web2disk
who
show who is logged on
whoami
print effective user name
yes
output a string repeatedly until killed